These sexy and scandalous women are used to competing for already taken men, but are they ready for the ultimate showdown in the battle of the best bikini body?

PHOTOS: Bikini Wars! The Sexiest And Most Scandalous Mistresses Strip Down

In RadarOnline.com's weekly feature, the sexiest mistresses ever are stripped down and pitted against each other - and there is no cheating allowed!

Rachel Uchitel reigns as the most famous mistress in the world after her explosive affair with Tiger Woods.