Best Actress Breakup Curse?

What is it about Oscar? Last year, Kate Winslet and Sam Mendes <a href="http://www.foxnews.com/entertainment/2010/03/15/kate-winslet-splits-director-husband-sam-mendes/">announced their separation</a> after six years of marriage. With the Hollywood power couple's split, Kate became number five of the last seven Best Actress Oscar winners who split from their long-term partners after scoring their gold statues. And Best Actress Sandra Bullock was the next Oscar curse's victim. While Sandra was off shooting "The Blind Side" in Atlanta, her husband Jesse James was allegedly blind siding her with a tattoo model!  See which other winners called it quits. <a href="http://entertainment.blogs.foxnews.com/2010/03/17/tattoo-model-sandra-bullock-jesse-james-cheating-sex-scandal/?test=faces">SANDRA BULLOCK BETRAYED?</a> <a href="http://www.foxnews.com/slideshow/entertainment/2010/03/17/michelle-bombshell">SLIDESHOW: JESSE JAMES' ALLEGED MISTRESS</a> (REUTERS)

<a href="http://www.intouchweekly.com/2010/03/in_touch_exclusive_interviewsa.php">According to In Touch</a>, "Monster Garage" star Jesse James cheated on wife of five years with tattoo model Michelle Bombshell. FYI, James was previously married to a porn star, so maybe he has a type. America's Sweetheart Sandra, 45, won the Best Actress Academy Award this year, for her role in "The Blind Side." <a href="http://entertainment.blogs.foxnews.com/2010/03/17/tattoo-model-sandra-bullock-jesse-james-cheating-sex-scandal/?test=faces">SANDRA BULLOCK BETRAYED?</a> <a href="http://www.foxnews.com/slideshow/entertainment/2010/03/17/michelle-bombshell">SLIDESHOW: JESSE JAMES' ALLEGED MISTRESS</a> (REUTERS)

The Hollywood power couple announced their split last year. They were married in 2003, and have a son together. Before Kate won her Oscar in 2008 for "The Reader." She and her ex worked together on 2008 drama “Revolutionary Road": Winslet starred and Mendes directed.  (REUTERS)

Charlize won the Oscar in 2003 for her film "Monster." She separated from her domestic partner of nine years last year. (REUTERS)

Swank has two Oscars, one for her performance in 1999 film "Boys Don't Cry" and one for 2004's "Million Dollar Baby." The actress split from husband Chad Lowe in 2006. The couple had been married for nine years. (REUTERS)

Hollywood's golden couple parted ways in 2006, just one year after her Oscar win for "Walk the Line." Reese and Ryan have two children together. (REUTERS)

In 2001, Halle won an Oscar for her role in "Monster's Ball." In 2003, she separated from husband Eric Benet. They had been together since 1997. (REUTERS)