By Amy Lee
5:27 PM PST, December 20, 2018
Whether they're rocking red carpets or strutting their stylish stuff on the streets, we can't get enough of these stars' fashion statements. Click through the gallery to see the best looks this month.
Michelle Obama
The former first lady slayed in a silk yellow dress and glittery gold thigh-high boots, both by Balenciaga, at a discussion event for her new book, Becoming, with Sarah Jessica Parker in New York City.
Sandra Bullock
Radiant in red! The Bird Box actress took our breath away in a gorgeous criss-cross, cut-out halter gown with ruffled skirt by Martin Grant at the film's New York City premiere.
Zendaya
The actress was a vision in an orange-and-pink feathered dress by Marc Jacobs at the Áme Jewelry launch event in Los Angeles.
Keira Knightley
The British actress received her OBE in a chic yellow-and-pink boucle skirt suit and matching top hat at Buckingham Palace.
Jennifer Lopez
The entertainer made a dramatic entrance in a jaw-dropping pink tulle Giambattista Valli dress with lengthy train at the New York City premiere of her new film, Second Act.
Vanessa Hudgens
The actress was sweet in a sherbet peach ruffled Marc Jacobs mini, Casadei shoes and Chopard jewelry at the premiere of Second Act in New York City.
Amber Heard
The Aquaman star was a bombshell in a dark green cut-out, liquid sequin gown by Julien Macdonald at the film's Los Angeles premiere.
Zoe Saldana
The Guardians of the Galaxy actress rocked a one-shoulder satin dress and statement belt, both by Chloe, and leopard print Tamara Mellon shoes, to celebrate the opening of the designer's store at L.A.'s Palisades Village.
Emily Blunt
The Mary Poppins Returns actress was beautiful in blue via a Schiaparelli Haute Couture satin gown at the film's London premiere.
Amy Adams
The actress donned a floaty orange gown at the Los Angeles premiere of Vice.
Gigi Hadid
The supermodel brightened up the streets of New York City in a monochrome orange ensemble of Ronald Van Der Kemp blouse and pants, topped off with a Moschino coat.
Kaia Gerber
The young model made our jaws drop in a metallic, laced and cut-out top and black trouser ensemble at the 2018 British Fashion Awards in London.
Kendall Jenner
The supermodel wasn't shy about baring skin in an embellished sheer gown by Julien Macdonald at the 2018 British Fashion Awards in London.
Meghan Markle
The Duchess of Sussex made a surprise appearance onstage at the 2018 British Fashion Awards to honor designer Clare Waight Keller, who designed her stunning one-shoulder black gown. Markle couldn't help but cradle her adorable growing baby bump in the form-fitting dress.
Olivia Culpo
The fashion influencer and actress attended Cult Gaia's Resort 2019 show at the Frank Gehry Residence in Malibu, wearing the brand's fringe halter dress and gold bag.
Amal Clooney
The human rights lawyer held hands with her husband George as she floated in a billowy navy-blue-and-white J. Mendel gown at the United Nations Correspondents Association Awards in New York City.
Kate Bosworth
The actress was spotted out in New York City, looking absolutely chic in a matching Chloe set with stone embellishments, Azlee jewelry and Hunting Season top-handle bag.
Dakota Johnson
The brunette beauty's sky blue Gucci gown made a statement in the back with its embellished heart and arrow motifs at the Marrakech International Film Festival.
Hailee Steinfeld
The Bumblebee star rocked an appropriately structured, futuristic wired mini dress by Balmain at the film's Los Angeles premiere.
Laura Harrier
The BlacKkKlansman actress dazzled in a pastel green, ruffled off-the-shoulder jumpsuit by Marc Jacobs at the Bvlgari & Art Production Fund Present Raul De Nieves event during Art Basel in Miami.
Gigi Hadid
The supermodel was breathtaking in a dark blue structured gown by Zac Posen and decked out in diamonds at the 2019 Pirelli Calendar launch gala in Milan.
Margot Robbie
The Mary Queen of Scots actress was a vision in a romantic cream-colored Chanel dress at the film's New York City premiere.
Diane Kruger
The blonde beauty stunned in a sheer embellished couture gown by Chanel at its Metiers d'Art Pre-Fall 2019 show in New York City.
Naomie Harris
The British actress was colorful in a printed Dundas plunging dress at the London premiere of Mowgli: Legend of the Jungle.
Kim Kardashian West
The KKW Beauty mogul was sultry in a gunmetal fringed vintage Versace dress at the Broadway opening of The Cher Show in New York City.
Blake Lively
The A Simple Favor actress rocked a silver chainmail mini and voluminous curls at the Versace Pre-Fall 2019 show in New York City.