Kristen Stewart wore a black leather dress and vampy dark eye make-up to a screening of On the Road in New York.

The Duchess of Cambridge wore a black lace Alice Temperley dress to the University of St Andrews 600th Anniversary Fundraising Auction, Middle Temple Hall, London.

Lisa Snowdon wore an elegant red dress as she hosted and attended the launch of private club for diamond enthusiasts, Berkeley Diamond Group with CÎROC® Ultra-Premium Vodka, at McLaren at One Hyde Park.

Skyfall star Javier Bardem strikes a pose with his cast mates as he is honoured with a star on the Hollywood Walk of Fame.

Dannii Minogue wore a teal dress to launch her Project D Timepieces in London.

The sisters launched their new clothing range, Kardashian Kollection for Dorothy Perkins, wearing, naturally pieces from the collection.

Keira Knightley wore Valentino to a screening of Anna Karenina in New York.

Berenice Marlohe wore Oscar De La Renta to the 2012 BAFTA Los Angeles Britannia Awards.

The actresses strike a pose at the 2012 BAFTA Los Angeles Britannia Awards.

Olivia Munn wore a beautiful beaded 1920s style gown to the 2012 BAFTA Los Angeles Britannia Awards.

Alexa Chung sat front row at the Victoria's Secret Fashion Show in New York.

The stars joined Alexa Chung on the front row at the Victoria's Secret Fashion Show.

The stars of Ginger and Rosa (with Elle wearing Oscar de la Renta) all attended the film's screening at the AFI Festival in Los Angeles.

Cameron Diaz wore Stella McCartney to the Gambit after party at the Corinthia Hotel London.

Michelle Obama wore a Michael Kors patterned burgundy dress on US Election night.

Marion Cotillard wore a cream and black Dior gown to the Rust and Bone premiere at the AFI Film Festival, Los Angeles.

Nicole Scherzinger wore a black, full-length dress and a heidi braid to the Music Industry Trusts Award in aid of Nordoff Robbins and the BRIT Trust, Grosvenor Hotel.

Kimberley Walsh wore a red lace dress to the Music Industry Trusts Award in aid of Nordoff Robbins and the BRIT Trust, Grosvenor Hotel.

Tulisa wore a black, full-skirted dress and a chain belt to the Music Industry Trusts Award in aid of Nordoff Robbins and the BRIT Trust, Grosvenor Hotel.

Alesha Dixon wore a white lace shirt dress to the Music Industry Trusts Award in aid of Nordoff Robbins and the BRIT Trust, Grosvenor Hotel.

Caroline Flack wore a maroon leather skirt and a white and maroon shirt to the Music Industry Trusts Award in aid of Nordoff Robbins and the BRIT Trust, Grosvenor Hotel.

Myleene Klass wore a one shoulder red sequin dress to the Music Industry Trusts Award in aid of Nordoff Robbins and the BRIT Trust, Grosvenor Hotel.

Cat Deeley wore a maribou feather ruffled dress to the WSGN Global Fashion Awards at The Savoy Hotel, London.

Model Suki Waterhouse wore a leather, lace and chiffon Julien Macdonald dress to the WSGN Global Fashion Awards at The Savoy Hotel, London.

Pixie Lott wore an off-the-shoulder black gown and a floral garland to the WSGN Global Fashion Awards at The Savoy Hotel, London.

Joanne Frogatt wore an orange flared dress to the WSGN Global Fashion Awards at The Savoy Hotel, London.

Zara Martin wore a black dress with a lace, beaded choker to the WSGN Global Fashion Awards at The Savoy Hotel, London.

Charlotte Olympia Shoe designer (and award-winner) Charlotte Dellal wore a surreal eye headpiece and a velvet dress, plus her own shoe designs to the WSGN Global Fashion Awards at The Savoy Hotel, London.

For her first outfit of the night, Rita Ora wore a white Mugler gown to the MOBO Awards at the Echo Arena, Liverpool.

Rita Ora then switched to Alexander McQueen at the MOBO Awards at the Echo Arena, Liverpool.

Emeli Sande wore a maroon top and chiffon wrap skirt to the MOBO Awards at the Echo Arena, Liverpool.

Delilah wore a mesh body con dress to the MOBO Awards at the Echo Arena, Liverpool.

Jessie Ware wore a monochrome look to the MOBO Awards at the Echo Arena, Liverpool.

Mischa B wore a belted sequin and mesh jumpsuit to the MOBO Awards at the Echo Arena, Liverpool.

Rebecca Ferguson wore a beaded gown to the MOBO Awards at the Echo Arena, Liverpool.

Jessica Alba wore Valentino to The First Annual Baby2Baby Gala, Culver City, Los Angeles.

Nicole Richie wore a beaded, 1920s inspired dress to The First Annual Baby2Baby Gala, Culver City, Los Angeles.

Amy Adams wore Dolce & Gabbana to the On The Road premiere at the AFI film festival.

Kristen Stewart wore Balenciaga to the On The Road premiere at the AFI film festival.

Kristen Stewart then wore a green and black form-fitting shift to the Twilight Saga: Breaking Dawn Part 2 film photocall, Los Angeles.

Nicole Kidman wore L'Wren Scott to Derby Day at Melbourne Racecourse.