Celebrity Cheaters! From Kristen Stewart to Ashton Kutcher: 11 Stars Who Couldn't Keep It in Their Pants (PHOTOS)

From "Stray Rod" to "Yankee Doodle Dandy," baseball superstar Alex Rodriguez earned a slew of nicknames for cheating on his wife, Cynthia Rodriguez, with a Toronto stripper and — moving on up! — pop icon Madonna. More than the strippers, it was the whirlwind love affair with Madonna that broke the marriage's back, according to TIME. Cynthia reportedly believed Madonna used Kabbalah and "Jewish mysticism" to "brainwash" her husband.