Before there was Tiger Woods and his menagerie of women, Hollywood was filled with examples of infidelity- and not just off the screen! RadarOnline.com lists the sexiest celebrities who played unfaithful cheaters. 

PHOTOS: Sexiest Movie Cheaters

From Kate Winslet and Leonardo DiCaprio's extramarital romps in Revolutionary Road to Nicole Kidman's deadly seduction of a teen in To Die For to Julia Roberts' head-spinning dalliances in Closer, these actors raised the bar on dirty deeds.

• TAGS

• Ali Larter
• beach bodies
• bikini
• Cheaters
• Clive Owen
• Closer
• Demi Moore
• Derailed
• Good Girl
• Harrison Ford
• hollywood happenings
• Indecent Proposal
• Jennifer Aniston
• Julia Roberts
• KATE WINSLET
• Keira Knightley
• Leonardo Dicaprio
• Movie
• Natalie Portman
• Nicole Kidman
• Obsessed
• Revolutionary Road
• The Last Night
• To Die For
• What Lies Beneath

Army Wives: The Complete Second Season
Defiance
Dr. Horrible's Sing-Along Blog
He's Just Not That Into You
The Jetsons: Season 2, Volume 1
Prison Break: Season 4, The Final Season
Reaper: Season Two
Revolutionary Road
Spring Breakdown

• TAGS

• DVDs
• On Our Radar
• Army Wives
• Defiance
• Dr. Horrible's Sing-Along Blog
• He's Just Not That Into You
• Prison Break
• Reaper
• Revolutionary Road
• Spring Breakdown
• The Jetsons