Best Actress nominee Jessica Chastain shows off her old Hollywood-inspired fashion sense on the red carpet.
Best Actor nominee Daniel Day-Lewis, who has already won two Oscars, walks the red carpet with his wife, Rebecca Miller.
Best Actress nominee Jennifer Lawrence, the star of Best Picture nominee "Silver Linings Playbook," walks the red carpet.
Amy Adams, in an Oscar De La Renta gown, is nominated for Best Supporting Actress for her role in "The Master."
Quvenzhané Wallis, the young star of "Beasts of the Southern Wild," is nominated for Best Actress.
Oscar-nominee Anne Hathaway, wearing Prada, will perform during the show with her "Les Misérables" co-stars.
Christoph Waltz is nominated for his second Oscar for his supporting role in "Django Unchained."
Benh Zeitlin is a first-time nominee for Best Director for "Beasts of the Southern Wild."
Naomi Watts, an Oscar nominee for her leading role in "The Impossible," walks the red carpet with husband Liev Schreiber.
Helen Hunt, who won a Best Actress Oscar in 1998 for "As Good as It Gets," is once again nominated for her supporting role in "The Sessions."
Oscar-nominee Robert De Niro arrives with his wife Grace Hightower.
Adele, a Best Original Song nominee, is performing her James Bond theme, "Skyfall."
Quentin Tarantino, the director of Best Picture nominee "Django Unchained," is also nominated for Best Original Screenplay.
Eddie Redmayne, a star of the Oscar-nominated "Les Miserables."
Composer Mychael Danna, who is nominated for "Life of Pi," with his wife, Aparna.
Dwight Henry, a star of the Oscar nominated "Beasts of the Southern Wild."
George Clooney, producer of Best Picture nominee "Argo," walks the red carpet with Stacy Keibler.
Oscar-winner Jennifer Hudson will be performing a selection from "Dreamgirls."
Yan England is nominated for Best Live Action Short Film for his film "Henry."
Oscar-nominee Hugh Jackman, who will perform with the cast of "Les Miserables," arrives with his wife Deborra-Lee Furness.
Rachel Mwanza, the young star of Canada's Oscar-nominated foreign film "War Witch."
Best Supporting Actor nominee Tommy Lee Jones walks the red carpet with his wife Dawn Laurel Jones.
Director Kim Nguyen's film "War Witch" is up for Best Foreign Language film.
Reese Witherspoon is presenting an Oscar.
Suraj Sharma, the star of Best Picture nominee "Life of Pi."
Kristin Chenoweth is set to perform a "special number" with Seth McFarlane after the Best Picture Oscar has been announced.
Nicole Kidman, who won an Oscar for her performance in "The Hours," is presenting.
Two-time Academy Award winner Jane Fonda is presenting an Oscar.
Jamie Foxx, the star of Best Picture nominee "Django Unchained," arrives with his daughter, Corinne Bishop.
Jennifer Aniston, who is presenting, arrives with her fiancé Justin Theroux.
"Twilight" star Kristen Stewart, who is presenting, ditches her crutches to strike a pose for photographers.
Charlize Theron, who won an Oscar in 2004 for her leading role in "Monster," is presenting.
Zoe Saldana, the star of "Star Trek Into Darkness, co-hosted the Academy of Motion Picture Arts and Sciences' Scientific and Technical Awards earlier this month.
Relativity Media founder and CEO, Ryan Kavanaugh, walks the Oscars red carpet.
The all-important PricewaterhouseCoopers accountants arrive with the Oscar envelopes.
The Oscars have arrived, so stars, filmmakers and nominees from this year's most critically-acclaimed movies are parading the red carpet outside the Dolby Theatre in their finest fashions. Click through the gallery to see what Jessica Chastain, Quvenzhané Wallis and many more are wearing. (Photos: Getty Images)