The La La Land actress was having a truly golden moment in this intricate Givenchy design.
The Room actress sparkled at the 2016 Oscars in a blue embellished Gucci dress.
The Still Alice actress was the picture of elegance at the 2015 Oscars, wearing a custom sequined Chanel dress.
After winning Best Actress, the Blue Jasmine star sparkled even more in her already stunning Armani Privé gown at the 2014 Oscars.
The Silver Linings Playbook star looked like a princess at the 2013 Oscars in her Christian Dior gown.
The Iron Lady actress glimmered like gold in her Lanvin wrap dress at the 2012 Oscars.
The Black Swan star looked like a Grecian goddess in a purple Rodarte gown at the 2011 Oscars.
The Blind Side actress posed for the cameras in her elegant Marchesa dress at the 2010 Oscars.
The leading lady from The Reader stunned in her Yves Saint Laurent dress at the 2009 Oscars.
La Vie En Rose french actress looked positively regal in her Jean Paul Gaultier gown at the 2008 Oscars.
Like her character in The Queen, she looked feminine and gorgeous in her Christian Lacroix dress at the 2007 Oscars.
The Walk The Line actress glowed in her Christian Dior gown at the 2006 Oscars.
The Million Dollar Baby actress wore a rich purple Guy Laroche dress to the 2005 Oscars.
Unlike the name of her movie, Monster, the star was more of an angel in a white Gucci dress to the 2004 Oscars.
The Hours star went for a classic black Jean Paul Gaultier gown at the 2003 Oscars.
The Monster's Ball star looked majestic in an Elie Saab gown at the 2002 Oscars.
The Erin Brockovich actress wore a black Valentino dress to the 2001 Oscars.
The Boys Don't Cry leading lady wore a poufy gold Randolph Duke gown to the 2000 Oscars.
Like her role in Shakespeare in Love, the actress stunned in a pink Ralph Lauren gown at the 1999 Oscars.
The As Good As It Gets star wore a baby blue Tom Ford for Gucci gown with a shoulder wrap at the 1998 Oscars.
The Fargo actress wore a blue Richard Tyler Dress to the 1997 Oscars.
The star looked like no Dead Man Walking when she wore a gold Dolce & Gabbana dress to the 1996 Oscars.
The beauty from Blue Sky wore a unique black Calvin Klein dress to the 1995 Oscars.
The Piano actress wore a Vera Wang dress to the 1994 Oscars.