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.
The Voice coach was a beauty in blue in a stunning Elie Saab gown, bedazzled Christian Louboutin shoes and embellished Judith Leiber clutch at the Monte-Carlo Gala for the Global Ocean in Monaco.
The actress exuded head-to-toe elegance in a navy blue knotted blazer and matching pants by Gabriela Hearst in New York City.
The Lucy in the Sky actress turned heads in a plunging black bodysuit and mini, designed by Clare Waight Keller of Givenchy, at the film's Los Angeles premiere.
The Duchess of Sussex looked gorgeous in a khaki-colored belted maxi from Staud and affordable Sam Edelman flats as she and Prince Harry visited a mosque in Cape Town during their royal tour of South Africa.
The Euphoria star had jaws dropping at the 2019 Emmys red carpet in a emerald green custom Vera Wang bustier satin gown and Cartier jewelry. See more best dressed celebs from the awards show.
Chrissy Teigen & John Legend
The couple looked adorable at the premiere of Netflix's Between Two Ferns: The Movie in Hollywood. Teigen wore a white mini dress and blazer from Vitor Zerbinato, while Legend looked dapper in a houndstooth suit.
Kim Kardashian West
The reality TV star attended the Creative Arts Emmy Awards in a fitted black velvet one-shoulder gown.
RiRi shut down the 2019 Diamond Ball red carpet in a black velvet Givenchy dress with structured cage skirt.
The rapper had a princess moment in a breathtaking voluminous, tiered pale link gown by Georges Hobeika and Lorraine Schwartz jewelry at the 2019 Diamond Ball.
The Once Upon a Time in Hollywood actress wore a white ruffled top and black satin trousers from Chanel at the design house's dinner to celebrate the Gabrielle Chanel Essence in Los Angeles.
The pop star-turned-designer shut it down in an asymmetric turquoise Swarovski crystal-beaded Alexandre Vauthier dress at her Savage X Fenty fashion show during New York Fashion Week.
The supermodel rocked a monogram turtleneck and pants from Zendaya's collection for Tommy Hilfiger, along with a chic wide-brimmed hat, at the TOMMYNOW fashion show during New York Fashion Week. See the best celebrity looks from NYFW.
The Hustlers star was golden in a breathtaking ruffled gown from Maison de Couture at the film's premiere during the Toronto International Film Festival.
The actress struck a fierce pose in a sparkly pink Georges Hobeika mini dress with oversized bow, Alexandre Birman sandals and Gumuchian rings at the Hustlers premiere during the Toronto International Film Festival. See more celebrity fashion moments from TIFF.
The Duchess of Cambridge glowed as she rocked a printed MICHAEL Michael Kors shirtdress and a shiny, voluminous blowout as she accompanied Princess Charlotte and Prince George on their first day of school with husband Prince William at Thomas’s Battersea in London.
The Euphoria star attended the launch of Lancôme's new Idôle fragrance, which she is the face of, in New York City. She looked flawless in a '70s-inspired ensemble of polka-dot dress with neck tie, from her collection with Tommy Hilfiger, and leather knee-high boots.
The model-turned-actress strutted the streets of SoHo, New York, in a fierce sheer, bustier little black dress by David Koma and Saint Laurent pumps, accented with a fuchsia pink lip.
The actress was head-to-toe chic in a light blue satin-silk crop top and maxi skirt by Paris Georgia and white accessories at the Christian Marclay: Sound Stories exhibition at LACMA in Los Angeles.
The Big Little Lies star was striking in a yellow Ralph & Russo column gown at the 2019 GQ Men of the Year Awards in London.
The actor had everyone talking in this fashion-forward silk-satin gray pantsuit by Haider Ackermann at the screening of The King at the Venice Film Festival. See more stars slaying the red carpet at the festival.