Gallery: Fashion at the Oscars

An Oscar state is displayed outside the Kodak Theatre in preparation for the 84th Academy Awards in Los Angeles. Photo: AP

An Oscar state is displayed outside the Kodak Theatre in preparation for the 84th Academy Awards in Los Angeles. Photo: AP

Sergio Mendes, nominated for best original song for "Real in Rio," from the animated feature film "Rio," arrives with wife Gracinha Leporace at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Berenice Bejo, best supporting actress nominee for her role in "The Artist", and her husband French director Michel Hazanavicius, best director nominee for the same film, arrive at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Actress Milla Jovovich arrives at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Actress Milla Jovovich arrives at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Actress Jane Seymour's accessories are pictured as she arrives at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Directors William Joyce (L) and Brandon Oldenburg, nominated for their short animated film "The Fantastic Flying Books of Mr. Morris Lessmore", arrive at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Melissa McCarthy, best supporting actress nominee for her role in "Bridesmaids", arrives at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Actress Missi Pyle from the film "The Artist" arrives at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Jessica Chastain, best supporting actress nominee for her role in "The Help", arrives at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Actress Virginia Madsen arrives at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Actress Stacy Keibler arrives at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Actress Virginia Madsen arrives at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Viola Davis, best actress nominee for her role in "The Help", arrives at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Viola Davis, best actress nominee for her role in "The Help", and her husband Julius Tennon arrive at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Actress Rose Byrne of the film "Bridesmaids" arrives at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Music producer Pharrell Williams arrives at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Actress Busy Phillips arrives at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Michelle Williams, best actress nominee for her role in "My Week with Marylyn," arrives at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Actress Missi Pyle from the film "The Artist" arrives at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Rooney Mara, best actress nominee for her role in "The Girl with the Dragon Tattoo," wears a Givenchy dress as she arrives at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Sacha Baron Cohen, dressed in character from his new film "The Dictator", arrives at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Actress Milla Jovovich arrives at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Michelle Williams, best actress nominee for her role in "My Week with Marilyn", arrives on the red carpet at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Singer Jennifer Lopez arrives at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Actress Cameron Diaz arrives at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Actress Claire Danes arrives at the 2012 Vanity Fair Oscar party in West Hollywood, California. Photo: Reuters

Actress Penelope Cruz arrives at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Melissa McCarthy, best supporting actress nominee for her role in "Bridesmaids", arrives at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Actress Cameron Diaz arrives at the 84th Academy Awards in Hollywood, California. Photo: Reuters

Oscar host Billy Crystal talks on stage at the 84th Academy Awards in Hollywood, California. Photo: Reuters