8 Celeb Couples Who Kept Their Relationship a Secret Until After They Broke Up

Kelly Clarkson Justin Guarini Dating
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Kelly Clarkson admitted that she and American Idol runner-up Justin Guarini dated.

"We did date," she said on Watch What Happens Live. "We didn’t date during Idol.”

“I think any two people who were thrown together that much, I mean guy, girl, you put 'Timeless,' that song from From Justin to Kelly, you can’t fight it!”