READ IT: Demi Lovato announces 2011 Z100 Jingle Ball performers
This isn't the first time the stars have been linked together -- they were reportedly quietly dating in 2010 after Demi and Joe Jonas broke up and before she went to a treatment center. However despite the kissing photos, their reps say that Demi and Wilmer are "just friends."
Do you think Demi Lovato and Wilmer Valderrama make a cute couple?
Photos: Theo Wargo/WireImage for Clear Channel; Sara De Boer/Startraks Photo