Either that or she's got a damn good sense of humour.
In a move that totally reminds us of the infamous Janet Jackson Super Bowl incident, JT grabbed his rumoured new girlfriend's breasts while presenting an award with her at the MTV Movie Awards.
"Even though we're in the movie Friends with Benefits, we've never dated," Justin told the audience. Mila added: "We're like brother and sister."
"[We have a] totally platonic relationship, which is why I can do this," JT continued as he grabbed Mila's boobs.