Look back on the infidelity shockers -- Ashton, Arnold and Aniston? -- that rocked Hollywood this year
Ashton Kutcher, Demi Moore, Sara Leal
Kutcher, 33, cheated on Moore, 49, with 22-year-old Sara Leal after a wild Sept. 24 night in San Diego -- the superstar couple's sixth wedding anniversary. "There are certain values and vows that I hold sacred," the Margin Call actress explained in a November statement confirming her divorce plans.