The Oscar Curse

Sandra Bullock, seen here accepting the Oscar for best performance by an actress in a leading role for "The Blind Side" on March 7, 2010, is the latest in a string of Oscar-winning actresses to split with her mate after a hookup with Oscar.

Photos: Sandra Bullock
Photos: "The Blind Side"
Photos: Celebrity Splits

Kate Winslet & Oscar: 2009

Actress Kate Winslet accepts the Oscar for Best Actress for her role in "The Reader" at the Academy Awards ceremony on Feb. 22, 2009, in Los Angeles. In March of 2010, she announced she was splitting from her director-husband, Sam Mendes, after seven years of marriage. They have one child together.

Photos: Kate Winslet
Photos: Celebrity Splits

Reese Witherspoon & Oscar: 2006

Reese Witherspoon is seen here with then-husband Ryan Phillippe and her Oscar for best actress for her role in "Walk the Line," on March 6, 2006. Seven months later, on Oct. 30, 2006, she announced that she has separated and would file for divorce from Phillippe, with whom she had two children.

Photos: Reese Witherspoon
Photos: Celebrity Splits

Hilary Swank & Oscar: 2005

Hilary Swank is seen with her Oscar for best actress in "Million Dollar Baby" at the 77th Annual Academy Awards, Sunday, Feb. 27, 2005, in Los Angeles. After forgetting to thank husband Chad Lowe when she won her first Oscar in 2000, she thanked him first in 2005. But by January, the two had separated and were on their way to a divorce.

Photos: Hilary Swank
Photos: Celebrity Splits

Charlize Theron & Oscar: 2004

Charlize Theron holds Oscar for Best Actress for her role in "Monster" at 76th Academy Awards, Feb. 29, 2004. In January of 2010, she announced that she and actor Stuart Townsend had ended their nine-year relationship.

Photos: Charlize Theron
Photos: Celebrity Splits

Halle Berry & Oscar: 2002

Halle Berry holds her Oscar for Best Actress at the Academy Awards ceremony on March 24, 2002. The next year, Berry separated from her second husband Eric Benet, whom she married in 2001. The two were divorced in 2005.

Photos: Halle Berry
Photos: Celebrity Splits

Julia Roberts & Oscar: 2001

Julia Roberts holds Oscar for Best Actress, for her role in "Erin Brockovich" at the Academy Awards Ceremony on March 25, 2001. Three months later, she broke up with actor Benjamin Bratt, whom she had been dating since 1998.

Photos: Julia Roberts
Photos: Celebrity Splits

Gwyneth Paltrow & Oscar: 1999

Gwyneth Paltrow holds her Oscar for best actress for her role in "Shakespeare In Love" during the 71st Annual Academy Awards on March 21, 1999. Just months before, she had ended a three-year relationship with actor Ben Affleck. They got back together again in November of 1999, but only for 11 months, breaking up for good in October of 2000.

Photos: Celebrity Splits

Helen Hunt & Oscar: 1998

Helen Hunt and her then-boyfriend, actor Hank Azaria, pose together on March 24, 1997. Hunt won the Oscar for Best Actress the following year for her role in "As Good As It Gets." She and Azaria were married in 1999 and divorced 18 months later.

Photos: Celebrity Splits