Who Wore What?

Wearing a romantic Penny Packham, Lauren Conrad poses backstage at the Jenny Packham Spring 2013 show during Mercedes-Benz Fashion Week at Lincoln Center on September 11, 2012 in New York City.

Emily Blunt attends the Arthur Newman premiere during the 2012 Toronto International Film Festival on September 10, 2012 in Toronto, Canada. For the red-carpet premiere, Emily participated in Livia Firth's Green Carpet Challenge by wearing a Tory Burch Ethel gown made of 100 percent silk tulle reclaimed from Tory Burch end of line and archive store materials.

Naomi Watts wears a plunging, lilac Elie Saab dress at the The Impossible Premiere at the 2012 Toronto International Film Festival on September 9, 2012 in Canada.

Editor-in-Chief of Vogue Anna Wintour and designer Victoria Beckham -- wearing Victoria Beckham -- both give their signature steely looks at Bergdorf Goodman Celebrates Fashion's Night Out at Bergdorf Goodman on September 6, 2012 in New York City.

Selena Gomez wears an Atelier Versace dress to a 69th Venice Film Festival event at Lancia Cafe on September 5, 2012 in Venice, Italy.

Wearing Tracy Reese, the First Lady wowed audiences onstage during day one of the Democratic National Convention at Time Warner
Cable Arena on September 4, 2012 in Charlotte, North Carolina.

Vanessa Hudgens wears a vintage-inspired Blumarine at the Spring Breakers photocall during the 69th
Venice Film Festival at the Palazzo del Casino on September 5, 2012 in
Venice, Italy.

Miranda Kerr wears a floral sheath dress to launch the new haircare range from Unilever at Sydney Botanical Gardens on September 5, 2012 in Australia.

Rachel Weisz wears a tiered concoction by Nina Ricci, Bulgari jewelry and Guiseppe Zanotti shoes for the premiere of The Bourne Legacy during 38th
Deauville American Film Festival on September 1, 2012 in Deauville,
France.

Winona Ryder turned heads at The Iceman premiere during the 69th Venice Film Festival on August 30, 2012 in Venice, Italy, looking fabulous in a black lace Dolce & Gabbana gown. For her rare red carpet appearance, Winona also sported a gorgeous pair of Lanvin drop earrings.

Kate Hudson and Naomi Watts are in the nude at the Lancia Cafe party for The Reluctant
Fundamestaliston August 29, 2012 in Venice, Italy. For the event, Kate donned a glam Atelier Versace gown and Naomi wowed in a Marchesa dress. 

Kyra Sedgwick shows off her fit form in an ethereal dress at the premiere of The Possession at ArcLight Cinemas on August 28, 2012 in Hollywood, California.

Jordin Sparks wears a knit eyelet dress from Bebe, which retails for only $79.99, to perform during the opening ceremonies on Day One of the
2012 US Open at USTA Billie Jean King National Tennis Center on August
27, 2012 in Flushing, New York. 

Raising Hope's Martha Plimpton is all about color, wearing a coral sheath dress and blue stacked heels at a screening of FOX TV's new
Tuesday night comedies on August
26, 2012 in Santa Monica, California

Ellie Kemper strikes a pose in a black and white dress at The Hollywood Reporter's celebration of The
Mindy Project at Skybar on August 25, 2012 in
West Hollywood, California.

Looking radiant in a dramatic fuchsia Donna Karan Atelier gown, Ashley Greene made one of her most memorable red carpet appearances ever at The Apparition premiere in Los Angeles, CA on August 23, 2012.

Kirsten Dunst rocked a quirky blue trench coat-like Jean Paul Gaultier dress at the Los Angeles Bachelorette premiere on August 23, 2012.

Wearing a fun and flirty printed Rafael Cennamo dress, Debra Messing looked fantastic at the Post-It Your Words Stick With Them program launch at PS 15 Roberto Clemente Elementary School on August 22, 2012 in New York City.

Dania Ramirez stole the show in a dramatic floor-length Rolando Santana gown at the Premium Rush New York City premiere on August 22, 2012.

Wearing a black lace Dolce & Gabbana dress, Elisabeth Moss debuts a blonde pixie cut at the For A Good Time, Call... premiere on August 21, 2012 in New York City.

Ari Graynor lets it all hang out in a plunging Honor frock and Brian Atwood heels at the For A Good Time, Call... premiere on August 21, 2012 in New York City.

Sofia Vergara wears a lace For Love and Lemons dress to the Academy of Television Arts & Sciences' performers peer group cocktail reception held at the Sheraton Hotel on August 20, 2012 in Universal City, CA.

Lea Michele wears a white Giorgio Armani backless dress with
a plunging neckline and a center slit at the 2012 Do Something Awards at Barker
Hangar on August 19, 2012 in Santa
Monica, CA. She
paired her sexy look with a Fendi clutch, Jenni Kayne heeled sandals and Samira
13 jewels.

Jordin Sparks wore a white Chagoury Couture gown covered in 600 Swarovski crystals to the premiere of Sparkle at Grauman's Chinese Theatre on August 16, 2012.

Christina Milian wears a plunging clue dress to the premiere of Sparkle
at Grauman's Chinese Theatre on August 16, 2012 in Hollywood,
California.

Jessica Biel wears Giambattista Valli to the Total Recall UK premiere on August 16, 2012 in London.

Won't Back Down star Viola Davis wows in a  Vivienne Westwood frock at CBS' Teacher's Rock Special Live Concert at Nokia Theatre L.A. Live on August 14, 2012 in Los Angeles.

Jessica Chastain wears a vintage black YSL from Decades dress to the after party for the Yves Saint Laurent screening of Lawless on August 13, 2012 in
New York City.

Kate Beckinsale wears a purple Zac Posen dress and Christian Louboutin blue suede Daffodile pumps for the Total Recall photocall on August 13, 2012 in Berlin, Germany.

Jennifer Lawrence wears form-fitting Narciso Rodriguez dress to the Hollywood Foreign Press Association's
2012 Installation Luncheon held at the Beverly Hills Hotel on August 9,
2012.

Malin Akerman wears a peek-a-boo keyhole Cushnie et Ochs dress to the 11th annual InStyle summer soiree held at The London Hotel on August 8, 2012 in West Hollywood, CA.

Wearing a floral dress, Countess LuAnn de Lesseps is looking glad at the GLAAD Manhattan Summer Event at the Eventi Hotel on August 7, 2012 in New York City.

Jennifer Garner showed off her post-baby body in a Lanvin dress at the premiere of The Odd Life of Timothy Green at the El Capitan Theatre on August 6, 2012 in Hollywood, California.

Meryl Streep wears a red dress with wide belt to the Hope Springs premiere at the SVA Theater on August 6, 2012 in New York City.

Anna Kendrick wore a pink Mulberry Resort 2012 dress to the premiere of ParaNorman on August 5, 2012 in Universal City, California.

Leslie Mann wears an orange Monique Lhuillier dress and Givenchy shoes to the premiere of ParaNorman on August 5, 2012 in Universal City, California.

Jessica Biel wears an Elie Saab dress and bag, Lorraine Schwartz jewels, and Jimmy Choo shoes to the Total Recall New York premiere on August 2, 2012.

Kelly Rowland wears a slinky Alexander McQueen dress to the unveiling of the
new TW Steel Kelly Rowland Special Edition watches at The Standard on
July 31, 2012 in New York City.

Rachel Weisz debuts a piece Raf Simon's Christian Dior collection at The Bourne Legacy premiere on July 30, 2012 in New York City.

First Lady Michelle Obama and US Ambassador Louis Susman attend a reception at
Buckingham Palace for Heads of State and Government attending the
Olympics Opening Ceremony on July 27, 2012 in London. For the occasion, Mrs. Obama wears a white J. Mendel viscose techno crepe tailored jacket with overlapped side panels and silver embroidery, along with a J. Mendel ivory silk satin faced chiffon pleated skirt.

Wearing a Wessex dress from the store Hobbs, Kate Middleton visits Bacon's College on July 26, 2012 in London, England.

Olivia Munn wears an embroidered Carolina Herrera dress to a screening of The Babymakers at the Silent Movie Theatre on July 24, 2012 in Los Angeles, California.

Lea Michele wears a sweet and sexy Emilio Pucci dress at the FOX All-Star party on July 23, 2012 in West Hollywood, CA.

Taylor Swift wore a flowy Maria Lucia Hohan dress at the 2012 Teen Choice Awards on July 22, 2012 in Universal City, CA.

Glee star Lea Michele stood out in a short Atelier Versace
frock at the 2012 Teen Choice Awards on July 22, 2012 in Universal City,
CA.

Lea Michele wears an electric-blue Oscar de la Renta dress at the Valspar Hands for Habitat Unveiling at Hearst Tower on July 20, 2012 in New York City.

Selena Gomez sports a hot pink Dsquared2 dress at the 2012 Teen Choice Awards on July 22, 2012 in Universal City, CA.