
The President and Mrs. Obama (in a glittering one-shouldered Jason Wu gown) danced to Beyoncé as she sang Etta James’s classic on Inauguration Night 2009.
Timothy A. Clary, AFP / Getty Images
Jennifer Lopez stunned in a gold Marchesa gown and Lorraine Schwartz jewels at the 66th Annual Golden Globes on January 11, 2009.
Frazer Harrison / Getty Images
The comeback kid of 2009, Mickey Rourke, wore disheveled black tie at the Golden Globes and Academy Awards.
Jason Merritt / Getty Images; Kevork Djansezian / Getty Images
The Princess of Pop met Queen Elizabeth in a red latex Elizabethan-inspired dress at the Royal Variety Performance on December 7, 2009 in Blackpool, England.
Leon Neal, WPA Pool / Getty Images
Mad Men’s January Jones in Versace at the 61st Primetime Emmy Awards on September 20, 2009.
Mathew Imaging, WireImage / Getty Images
A very pregnant M.I.A. with fiancé Ben Brewer at the 51st Annual Grammy Awards on February 8, 2009.
Larry Busacca / Getty Images
Minutes before he interrupted Taylor Swift’s acceptance speech at the 2009 VMAs, Kanye West took a cocktail break on the red carpet while his girlfriend, Amber Rose, posed for photographers in a snakeskin one-piece.
Stephen Lovekin, FilmMagic / Getty Images
In the biggest red carpet coup of the year, Stella McCartney outfitted three of the best-dressed ladies -- Kate Hudson, Liv Tyler, and Kate Bosworth -- at the Costume Institute Gala at The Metropolitan Museum of Art on May 4, 2009.
Larry Busacca / Getty Images
Rihanna in Dolce and Gabbana at the Costume Institute Gala at the Metropolitan Museum of Art on May 4, 2009.
Stephen Lovekin / Getty Images
Madonna in the year’s most controversial red carpet fashion statement—Louis Vuitton’s bunny-ears -- at the Costume Institute Gala.
Larry Busacca / Getty Images
Secretary of State Hillary Rodham Clinton looked glamorous at the NATO summit on April 3, 2009 in Baden Baden, Germany.
Sean Gallup / Getty Images
Daphne Guinness channeled extraterrestrial glamour in Alexander McQueen at François Nars’s 15th Anniversary Party on November 12, 2009 in New York City.
Mike Coppola / Getty Images
Gabourey Sidibe at the 2009 New York Film Festival's screening of Precious on October 3, 2009 in New York City.
Amy Sussman / Getty Images
Showing the young girls how it’s done: Meryl Streep in a custom made Alberta Ferretti alongside Sophia Loren in Giorgio Armani at the 81st Annual Academy Awards on February 22, 2009.
Kevork Djansezian / Getty Images
Penelope Cruz in vintage Balmain Haute Couture and Marion Cotillard in Christian Dior Haute Couture at the 81st Annual Academy Awards on February 22, 2009.
Kevork Djansezian / Getty Images
Taylor Lautner, Kristen Stewart and Robert Pattinson on the press tour for “New Moon” on November 12, 2009 in Madrid.
Carlos Alvarez / Getty Images
Brad Pitt and Angelina Jolie, in Elie Saab, looked sharp and sleek at the 81st Annual Academy Awards on February 22, 2009.
Kevork Djansezian / Getty Images
Beyoncé in Balmain at the New York premiere of her hit film, Obsessed, on April 23, 2009.
Bryan Bedder / Getty Images
Carla Bruni-Sarkozy wore lilac Dior to the NATO summit in Strasbourg on April 4, 2009.
Sean Gallup / Getty Images
Lourdes Leon and her mother, both in Dolce and Gabbana, at the New York premiere of Nine on December 15, 2009.
Peter Kramer / AP Photo
Not since Carolyn Basette Kennedy wore Yohji Yamamoto to the White House in the 90s has avant garde fashion made such a splash in DC. White House Social Secretary Desiree Rogers on November 24, 2009.
AP Photo
No red carpet moment made quite as many headlines this year as Michaele (in a red sari) and Tarek Salahi’s uninvited stroll into the first State Dinner on November 24, 2009.
Gerald Herbert / AP Photo
Undeniably the cutest couple of 2009: Slumdog Millionaire’s Dev Patel and Freida Pinto at the BAFTAs on February 8, 2009 in London.
Joel Ryan / AP Photo

