The rapper explained:
[Image via Karl Lagerfeld/Harper's Bazaar.]
We're not completely onboard with this, but stranger things have happened!
A source close to the pair says that Demi thought Justin was very "mature for his age" and was fairly "shocked" to learn he was an excellent kisser!
What do U think? Would Demi hook up with Justin or is he just too young? (We're leaning towards the latter!)
[Image via WENN.]