The 10 Most Surprising Celebrity Odd Couples

“Mad Men” star January Jones told GQ that her ex-boyfriend, Ashton Kutcher, wasn’t very supportive of her acting career when they dated from 1998 to 2001, a couple years before Kutcher married Demi Moore. January says of their relationship, “He only has nice things to say now—if anything, I should thank him. Because the minute you tell me I can’t do something, that’s when I’m most motivated.” [Entertainment Wise]

Wait ... what? How did we not know they dated!? Those trickster celebs, falling in love behind our backs—what do they think this is? After the jump, we scrounged up some of the most random celebrity hookups we didn’t know about.