Justin Bieber wants us all to know that he's a grown man, now! In his latest video for "All That Matters," the singer, 19, gets all sorts of steamy with model Cailin Russo. Cosmopolitan has an exclusive interview with the video vixen, also 19. In the telling interview, she spills on all the intimate details about the video shoot, including what the Biebz smells like and whether or not they made out on his bus. Russo also admits that she keeps Justin in her phone under an alias! What would Selena think!?
Check out the interview and see all the scandalous details for yourself!