PHOTOS: Unforgettable Oscars red carpet fashion moments

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Actress Angelina Jolie arrives before the 84th Academy Awards on Sunday, Feb. 26, 2012, in the Hollywood section of Los Angeles.
Anne Hathaway arrives for the 81st Academy Awards Sunday, Feb. 22, 2009, in the Hollywood section of Los Angeles.
Oscar-winner Audrey Hepburn poses with her statuette at the 26th Annual Academy Awards ceremony in New York on March 25, 1954.
Barbra Streisand wins an Oscar for her performance in "Funny Girl" April 14, 1969 in Hollywood, Calif.
Elizabeth Taylor arrives with Richard Burton at party at Beverly Hilton Hotel after the annual Academy Awards at night on Tuesday, April 8, 1970.
Oscar winners Grace Kelly and Marlon Brando pose with their statuettes at the 1954 Academy Awards in Hollywood, Calif., on March 30, 1955.
Gwyneth Paltrow accepts her Oscar for best actress for her role in "Shakespeare In Love" during the 71st Annual Academy Awards, Sunday, March 21, 1999.
Actress Halle Berry arrives for the 74th annual Academy Awards Sunday, March 24, 2002, in Los Angeles.
Actress Jennifer Lawrence arrives at the 85th Academy Awards at the Dolby Theatre on Sunday Feb. 24, 2013, in Los Angeles.
Actress Jennifer Lopez, with Ben Affleck, arrive for the 75th annual Academy Awards Sunday, March 23, 2003, in Los Angeles.
Julia Roberts wins the Oscar for best actress in a leading role for the film "Erin Brockovich," during the 73rd annual Academy Awards Sunday March 25, 2001 in Los Angeles.
Actress Kate Hudson poses for photographers as she arrives for the 75th annual Academy Awards in Los Angeles, Sunday, March 23, 2003.
British actress Kate Winslet arrives for the 74th annual Academy Awards on Sunday, March 24, 2002, in Los Angeles.
Lupita Nyong'o arrives at the Oscars on Sunday, March 2, 2014, at the Dolby Theatre in Los Angeles.
Marion Cotillard arrives at the 80th Academy Awards at the Kodak Theatre in Los Angeles, Sunday, Feb. 24, 2008.
Meryl Streep arrives before the 84th Academy Awards on Sunday, Feb. 26, 2012, in the Hollywood section of Los Angeles.
Michelle Williams arrives for the 78th Academy Awards Sunday, March 5, 2006, in Los Angeles.
Actress Mila Kunis arrives before the 83rd Academy Awards on Sunday, Feb. 27, 2011, in the Hollywood section of Los Angeles.
Nicole Kidman, with Tom Cruise, arrives for the 69th Annual Academy Awards at the Shrine Auditorium in Los Angeles, Monday, March 24, 1997.
Sharon Stone wearing a white men's shirt with a lavender Vera Wang skirt at the 70th Academy Awards at the Shrine Auditorium in Los Angeles Monday, March 23, 1998.
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PHOTOS: Unforgettable Oscars red carpet fashion momentsActress Angelina Jolie arrives before the 84th Academy Awards on Sunday, Feb. 26, 2012, in the Hollywood section of Los Angeles.

When it's time for the Oscars, Hollywood's biggest celebrities (and designers) bring their fashion A-game. While some were controversial, these red carpet gowns are all unforgettable.

Watch the Oscars on ABC on Feb. 28! Live red carpet coverage begins at 5 p.m. ET | 4 p.m. CT | 2 p.m. PT with "ON THE RED CARPET AT THE OSCARS." Check your local listings.