Demi Lovato Dated WHO Before Her Rehab Trip?

Shoulder to cry on?

Looks like Demi Lovato had quite a support system after her rough breakup with Joe Jonas: the much older That 70's Show star Wilmer Valderrama!

"The two started seeing each other in May right after he breakup with Jonas," a source said. "She would show us pictures of them together."

And apparently, Demi was hanging with Wilmer right up to her decision to enter rehab. As for whether or not these two are more than friends? Demi's rep has no comment, while Wilmer's denies a relationship.