Justin seems like a super nice dude and we're sure he treated his kitty Kate well, but sometimes a history simply cannot be overcome!
Max and the 29 year-old actress dated back in the day and apparently, some of those old sparks were still there when they shot 10 Years, a flick that also stars the triple-delish Channing Tatum. Mmm.
The fact that Justin is ALSO in the movie makes this whole sad ordeal six times more awkward!
One eyewitness who attended a promotional event for the film said: