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The former Pussycat Dolls singer commanded attention at the Pride of Britain Awards in London, England, on Oct. 31, where she rocked a low-cut pink tulle gown.
The Mad Max star brought the Halloween sparkle to Harper's Bazaar Women of the Year Awards in London, England, on Oct. 31, rocking a very '80s one-shouldered leopard print top and black cigarette pants. She accessorized with a black clutch and matching pointy pumps.
Lucy Hale, Sasha Pieterse, Ashley Benson, Shay Mitchell & Troian Bellisario
The Pretty Little Liars cast celebrating wrapping the hit series after 7 years of secrets and said goodbye to Rosewood.
The 35-year-old model stunned in a lavender silk embroidered Gucci gown while attending the 2016 LACMA Art + Film Gala in Los Angeles on Oct. 29. The Victoria's Secret model paired her flawless look with diamond earrings and silver strappy heels.
The singer-actress looked lovely in lilac at a Los Angeles photo call for her new movie, The Edge of Seventeen, on Oct. 29. Steinfeld made her mark in a pastel skater dress and matching shawl, which she paired with pointy nude pumps.
'The Royals' actress dazzled at the AECC Cancer Association meeting at the Palace Hotel in Madrid, Spain, on Oct. 27.
The birthday girl celebrated at Bouchon Restaurant in Beverly Hills, California, on Oct. 26, and looked white hot doing it! Perry -- who turned 32 the day before -- paired an ethereal lace top and bustier with high-waisted trousers and cinched in her waist with a belt. She finished her look with a satin clutch, two massive cocktail rings for some bling, and brick red lips.
The British actress rocked a white T-shirt, leather shorts, and black tights to the Tribeca Chanel Women's Filmmaker Luncheon in New York City on Oct. 25. Plenty of other lovely ladies, including Katie Holmes, Zosia Mamet, and Mamie Gummer, also attended.
The Chew co-host helped Pure Leaf celebrate the launch of their new bagged and loose teas in NYC.
Karlie Kloss, Kate Hudson, and Kobe Bryant
The trio struck a stylish pose together at WSJ.D LIVE After Dark in Laguna Beach, California, on Oct. 25.
Iris Apfel and Tom Brady
The fashion icon had a fun time goofing around with the NFL pro at the Muhammad Ali tribute event on Oct. 25 in New York City.
Wilmer Valderrama and Gina Rodriguez
Getty Images for The Paley Center for Media
The NCIS star planted a wet one on his pal's cheek during The Paley Center for Media's Hollywood Tribute to Hispanic Achievements in Television in Beverly Hills, California, on Oct. 24.
President Barack Obama
The commander-in-chief couldn't keep a straight face as he posed with Jimmy Kimmel and Will Ferrell -- dressed as his SNL character Harry Caray -- in a backstage snap from his appearance on Jimmy Kimmel Live on Oct. 24.
Felicity Jones, Kristen Stewart and Lupita Nyong'o
Getty Images for ELLE
The trio of honorees posed together during the 23rd Annual ELLE Women In Hollywood Awards in L.A. on Oct. 24.
Shailene Woodley, Usher, and Priyanka Chopra
The Image Direct
The model was dressed for fall in a camel-hued duster as she made a solo trek from New York City's SoHo neighborhood west to Tribeca on Oct. 24.
The former Pussycat Dolls singer headed over the pond to sing the national anthem at the New York Giants vs. Los Angeles Rams game on Oct. 23, which was being played in London, England. The Giants won 17-10, though Scherzinger may have been the champ in her studded leather ensemble!
Caitlyn Jenner and Kelly Osbourne
The lovely ladies acted as celebrity judges during TransNation Festival's 15th Annual Queen USA Transgender Beauty Pageant at The Theatre at The Ace Hotel in L.A. on Oct. 22. The event, presented by Amazon Prime, was organized by and raised funds for St. John's Well Child & Family Center's Transgender Health Program.
Getty Images for Yummy Pop
The actress was positively giddy -- and ready to test out the popcorn! -- during the opening of a new Yummy Pop shop in Paris' historic Le Marais district on Oct. 22.
Getty Images for Environmental Media Association
The 38-year-old actress rocked a daring burgundy cut-out dress and black strappy sandals to the 26th Annual Environmental Media Association Awards in Burbank, California, on Oct. 22.
Kelly Lee Barrett for Cinespia/Getty
David and Victoria Beckham's eldest son is a Cinespia regular, so it's no surprise that he took in a sold-out screening of Wes Craven's A Nightmare on Elm Street, presented by Amazon Studios, on Oct. 22.
Invision for DICK'S Sporting Goods/AP Images
The "Church Bells" singer got her om on at the Dick's Sporting Goods grand opening celebration at the Baybrook Mall in Friendswood, Texas, on Oct. 21. Underwood and her road trainer, Eve Overland, led a "Carrie-inspired" workout for influencers from the Houston-area.
Kate Hudson and Matt Bomer
Getty Images for GLSEN
Hudson cozied up to her pal at the 2016 GLSEN Respect Awards - Los Angeles, which took place at the Beverly Wilshire Four Seasons Hotel in Beverly Hills, California, on Oct. 21.
LeBron James' wife helped christen the Goodyear Blimp in her hometown of Akron, Ohio, on Oct. 21.
The Modern Family star opted for a mustard yellow velvet dress and blue stilettos while walking the orange carpet at ASPCA's Los Angeles Benefit in Bel Air, California, on Oct. 20. The 25-year-old actress, who was the recipient of the organization's Voice for Animals award, completed her chic look with a top knot and bright red pout.
The actress went ultra-glam, turning heads in a strapless silk Atelier Versace gown and taupe stilettos, for the premiere of her latest film, Doctor Strange, at the El Capitan Theatre in Hollywood, California, on Oct. 20.
The fashion risk taker made a bold statement in a sheer shirt covered in crystals for an appearance on Good Day New York on Oct. 20, where she performed her new single, "No Apolgoies." JoJo paired the party top with a black bralette, skinny jeans, and heeled booties, as well as a patchwork denim jacket.
The Oscar winner truly basked in the moment at the 11th Rome Film Festival on Oct. 20. Streep rocked a forest green draped top and matching pants, plus a pair of major statement earrings, to the Italian premiere of her film, Florence Foster Jenkins.
The Wild star got animated as she took a phone call while leaving the Brentwood Country Mart in L.A. on Oct. 20. Witherspoon sported a burgundy button-down with white piping, light wash jeans, tortoise shell sunglasses, and a tan monogrammed purse on her outing.
Getty Images for AIF
The Jack Reacher: Never Go Back star had a laugh during the Australians in Film's 5th Annual Awards Gala at L.A.'s NeueHouse Hollywood on Oct. 19. Courtney received Foxtel's Breakthrough Award -- presented to him by fellow Aussie Joel Edgerton -- during the show.
The author and socialite was spotted leaving a dinner with pals at Kola House restaurant in NYC. Bensimon wore head-to-toe black for the outing, including a choker, ripped jeans, and Chuck Taylors.
The Scandal star ran errands with his son in L.A., stopping for a snack break of Plum Organics Eat Your Colors.
Chance the Rapper and Iman
Getty Images for H&M
The duo cut some serious rug on the dance floor at the KENZO x H&M launch event after party at Pier 36 in NYC on Oct. 19.
The newly blond singer flashed a big smile to the crowd of 10,000 at her concert in Guadalajara, Mexico, on Oct. 18. Lovato showed off her über toned figure on stage in an all-black ensemble, consisting of a mesh long-sleeve top, geometric leather belt, booty shorts, and thigh-high boots.
Alicia Vikander and Michael Fassbender
The real-life couple matched in navy blue for the U.K. premiere of The Light Between Oceans in London, England, on Oct. 18. Vikander and Fassbender met while filming the drama.
TJ Martell Foundation
Joe Jonas and his bandmates, Cole Whittle, JinJoo Lee and Jack Lawless, posed for photos together on the red carpet at the T.J. Martell Foundation's Annual New York Honors Gala on Oct. 18. The band also performed at the event.
Ben McKenzie and Morena Baccarin
The cute couple grabbed lunch at Bistro Chat Noir in NYC during a break from taping their show, Gotham, on Oct. 18. The duo were filming scenes at a church on Manhattan's Lexington Avenue earlier in the day – and McKenzie was still wearing the fake blood to prove it!
Namaste to you too! The Big Bang Theory star rocked an on-trend pair of fuzzy sandals and an om-inducing T-shirt for her yoga practice in L.A. on Oct. 18.
Jerry and Jessica Seinfeld
Getty Images for GOOD+
The 62-year-old comedian supported his wife, the founder and president of the GOOD+ Foundation, hosting the New York Fatherhood Lunch to benefit the non-profit in NYC on Oct. 18.
Getty Images for Fortune
The famed singer held court during the Fortune Most Powerful Women Summer 2016 in Dana Point, California, on Oct. 18.
Cynthia Addai-Robinson, Ben Affleck and Anna Kendrick
The Accountant co-stars shared a laugh during the film's U.K. premiere at London's Cineworld Leicester Square on Oct. 17.
A little rain didn't stop Garner from going on a coffee run in L.A. on Oct. 17.
Sporty Spice, is that you?! Mel C has come a long way from her Adidas pants days, cutting a stunning silhouette in a slinky LBD at the Red Women of the Year Awards in London, England, on Oct. 17.
Elizabeth Chambers and Armie Hammer
The expectant parents glowed while attending the Free Fire Closing Night Gala screening during the 60th BFI London Film Festival in London, England, on Oct. 16.
The Dinner at Tiffani's host got her cooking on with Samsung at the New York City Wine & Food Festival on Oct. 15.
The mom of two checked out a Total Wireless cell phone while at a Walmart in New Jersey.
Chrissy Teigen and John Legend
The sweet and stylish couple enjoyed a date night without 6-month-old daughter Luna at the Ballroom After Party for Mohegan Sun's 20th Anniversary in Uncasville, Connecticut on Oct. 15. Teigen hosted the soiree with her Lip Sync Battle co-host, LL Cool J.
Vanessa Hudgens and Jamie Chung
The actresses rocked summery, polo-perfect attire at the Seventh Annual Veuve Clicquot Polo Classic in Pacific Palisades, California on Oct. 15.
Who doesn't dig a bouquet of flowers? The actress held up a pretty display of POND'S iconic cold cream cleanser during an event in NYC.
The Jason Bourne star opted for a dapper 'do and a sharp black suit while attending the 30th Annual American Cinematheque Awards Gala at The Beverly Hilton Hotel in Beverly Hills, California, on Oct. 14.
Stefanie Keenan/Getty Images for What Goes Around Comes Around
After an emotional day in court testifying against her alleged stalker, the supermodel lets loose at the opening of What Goes Around Comes Around in Beverly Hills, California. This marks the first public appearance for the 20-year-old reality star after Kim Kardashian was robbed at gunpoint in Paris.
The Oscar winner took a break from directing his new film, Suburbicon, to slip on a glove and play a game of baseball with some of the cast and crew in L.A. on Oct. 13.
The Oscar-nominated actress rocked a semi-sheer white tank top and black leggings while biking home after a game of tennis in L.A. on Oct. 12.
The Underworld star was spotted filming a fabricated rain scene in the streets of the Big Apple for her upcoming film, The Only Living Boy in New York, on Oct. 13.
The new mom was the epitome of casual cool, sporting a striped T-shirt, black blazer, light-wash jeans, white sneakers, and a black Hermes purse while shopping in NYC on Oct. 13.
The Loveline host shined as she made her way to a Dancing With the Stars rehearsal on Oct. 12. And check out that awesome Guns N'Roses crop top!
The Mad Men alum was nothing if not his dapper self while attending a Build Series event at AOL HQ in NYC on Oct. 12.
Is it time for a JNCO revival yet? Hudson channeled her inner '90s kid, rocking a white tank, black vest and very wide-leg jeans for a CDFA and Fabletics event in L.A. on Oct. 11.
Getty Images for BFI
The 42-year-old actress looked like royalty in a stunning Zuhair Murad gown at the premiere of The Birth of a Nation during the BFI London Film Festival in London, England, on Oct. 11. "Downtown in a ballgown in Londontown," she playfully captioned an Instagram pic of herself on the red carpet.
Ben Higgins and Lauren Bushnell
The pretty Bachelor couple smiled and waved during their busy day of events in NYC on Oct. 11.
The Save the Children ambassador lit up the New York City skyline, both literally and figuratively! Fanning rocked a gorgeous fire engine red dress and black peacoat as she stood at the top of the Empire State Building. She was there to light the famous landmark in honor of the International Day of the Girl.
Getty Images for Saks Fifth Avenue
The 50-year-old actress sizzled in a curve-hugging black bustier-and-skirt combo at the Saks Fifth Avenue celebration of Key to the Cure at Mr. Chow in Beverly Hills, California, on Oct. 10.
All eyes were on the Scorpion star at the Men's Fitness Game Changers Celebration in West Hollywood, California, on Oct. 10. McPhee paired a leather off-the-shoulder top with a velvet, floral skirt and choker for the occasion.
Amy Adams and Jeremy Renner
The American Hustle co-stars walked the red carpet together at a gala screening of their new film, Arrival, during the 60th BFI London Film Festival at the Odeon Leicester Square on Oct. 10.
Getty Images for Xbox & Gears of War 4
The Disney darling showed off her Braves pride at the Xbox and Gears of War 4 launch event in Atlanta, Georgia, on Oct. 10.
Aaron Paul and Michelle Monaghan
The co-stars stuck close together at a PaleyFest: Made in New York screening event for their Hulu show, The Path, on Oct. 9.
Getty Images for Disney
The actress continued to slay the fashion game at her latest screening of Queen of Katwe, which took place at the 60th BFI London Film Festival in England on Oct. 9.
The 49-year-old actress looked ravishing in her Rodarte dress while attending a screening of her film, Lion, at the Mill Valley Film Festival in San Rafael, California, on Oct. 9.
January Jones, Emma Roberts, and Alessandra Ambrosio
Decked out in unique Bottega Veneta ensembles, all three ladies sizzled at the Hammer Museum Gala in the Garden in L.A. on Oct. 8.
Isla Fisher and Gal Gadot
The Now You See Me star and Wonder Woman laughed it up as they walked the red carpet together at the premiere of their new comedy, Keeping Up With the Joneses, at Fox Studios in L.A. on Oct. 8.
The Scream Queens star showed off her new, cropped red 'do as she left the West Hollywood, California, hotspot Catch LA on Oct. 8.
The Neon Demon star shimmered in gold at the premiere of her new film, 20th Century Women, at the New York Film Festival on Oct. 8.
The three-time Oscar nominee rocked a psychedelic, pseudo-animal print gown with a sweetheart neckline while walking the red carpet outside the premiere of Manchester by the Sea at the BFI London Film Festival in Odeon Leicester Square on Oct. 8.
The model matched her pink pout to the embroidered kisses on her sheer, long-sleeved top while attending the LaPalme Magazine Fall Issue Party at Le Petit Paris in L.A. on Oct. 7. She completed her sassy look with a high-waisted black skirt, which featured a thigh-high slit, and black pumps.
Dressed in a bright orange dress with a plunging neckline, the Homeland star undoubtedly turned heads at The Paley Center for Media in NYC on Oct. 6. The blond beauty completed her ensemble with strappy gold heels and a matching clutch.
Amy Adams and Emma Stone
The actresses had a great time posing on the Mill Valley Film Festival red carpet at The Outdoor Art Club on Oct. 6 in Mill Valley, California.
Despite having her hands full with three to-go cups, Garner looked positively giddy during her coffee run to Alfred Coffee in Brentwood, California, on Oct. 5. Honestly, that sign next to her says it all!
Miranda Kerr and Karlie Kloss
The supermodels struck a stylish pose at the Louis Vuitton show as part of the Paris Fashion Week Womenswear Spring/Summer 2017 on Oct. 5 in Paris, France.
The Brazilian model may be thousands of miles from home, but she still reps her homeland wherever she goes! After spending time at Paris Fashion Week, Ambrosio ran errands in L.A. on Oct. 4., sporting rainbow shades and a pair of leggings emblazoned with an image of Rio de Janeiro and the city's name written along the left leg.
The World Cup skier paired a light pink bodysuit with a striped, sequined skirt and matching pale pumps for her appearance on the Today show in NYC on Oct. 4.
The Australian model shoots an editorial for Louis Vuitton on Place Vendome in Paris, France, on Oct. 4.
The actress rocked an lace LBD with matching strappy sandals for the premiere of The Late Bloomer in L.A. on Oct. 3.
The author showed off her culinary skills alongside BELLA Housewares chef Jason Roberts during a #myBELLAlife event in NYC.
The 36-year-old actress literally sparkled at the premiere of Certain Women during the 54th New York Film Festival on Oct. 3, standing out in a subtly shimmering black dress that featured an intriguing buckle embellishment at the right sleeve and waist.
Triple threat! Already a model and designer, Kloss launched her new makeup collection at L’Oreal Boutique Rue Caumartin during Paris Fashion Week on Oct. 3. The blond beauty went bold for the big day, rocking a bright pink asymmetrical top with embellishments at her left shoulder and waist, which she paired with cropped distressed jeans and pointy black pumps.
The 22-year-old actress had a laugh at the Valentino show during Paris Fashion Week on Oct. 2.
The actress shows some love for her new beauty must-have, the Neutrogena Light Therapy Acne Mask.
The TV personality shakes up Zacapa Rum cocktails in Miami at the final day of 2016 World Class Bartender of the Year.
Stuart Ramson/Invision for Quaker Oats/AP Images
The actress enjoys Quaker oatmeal at OatMeals in NYC to kick off Oatober, a month-long movement to celebrate the goodness and versatility of oats.
The TV host and her kids shop for Power Rangers Halloween costumes at Spirit in L.A.
Backstage at Good Day New York, Duff catches up on her favorite show with VISINE® by her side so she can watch without dry eyes.
La La Anthony
The reality star hosts the 2016 World Class Bartender of the Year awards ceremony in Miami, Florida, and toasts with cocktails by CÎROC vodka.
The Dutch model took Gold Obsession Party theme to heart while attending the L'Oreal Paris photocall on Oct. 2. Kroes rocked a gilded suit for the Paris Fashion Week event.
The Bates Motel star rocked an entirely see-through cover-up over a set of lacey black undergarments at the Gold Obsession Party hosted by L'Oreal during Paris Fashion Week on Oct. 2.
The model has slayed street style while in France for Paris Fashion Week. Making her way to dinner at the Avenue Restaurant on Oct. 2, Jenner styled a black corset with oversized olive trousers and a cropped turtleneck long-sleeve shirt. She finished her look with aviators, a cross-body bag, and her trusty camera.
Robert Downey Jr. and Susan Downey
The Ironman star and his lovely wife were the epitome of casual cool while attending the MPTF 95th anniversary celebration in L.A. on Oct. 1.
The SNL alum looked lovely in a lace-adorned LBD at Point Foundation's Point Honors gala at The Beverly Hilton Hotel in Beverly Hills, California, on Oct. 1.
The 21-year-old perfected her 'model off-duty' look in a chic jumpsuit and round shades while out and about in Paris, France during Paris Fashion Week on Oct. 1.
The Gilmore Girls star looked classic and cool as she hit up the Oct 1. premiere of her film Middle School: The Worst Years of My Life in the Big Apple.
Blac Chyna and Amber Rose
The besties were all smiles at Rose's Annual SlutWalk at L.A.'s Pershing Square on Oct. 1.