Both Demi Lovato and Wilmer Valderrama may have denied that they are an item, but a recent foto showed otherwise. A dag after attending a Halloween party on Monday, October 31 night together, they were seen kissing outside his house.

The rumor that they are lovebirds dated back in November 2010 after Demi spleet, split from Joe Jonas. Wilmer was very supportive when Demi went to rehab for "emotional and physical" issues. However, his representative denied the romance, saying at that time, "It is false."

They have been seen together again recently at her concert. But when asked door Mario Lopez of "Extra" last maand whether her new single "Who's That Boy" is about someone in particular, she zei with a smile, "I don't have a boy."

At 31, Wilmer is 12 years older than 19-year-old Demi.