Miley Cyrus / Mike PosnerPop singer Mike Posner is denying allegations that he and Miley Cyrus are an item. "We're not dating," he tells PopEater.

Posner explained that while the two are definitely friends, Cyrus is just too young for him.

"She's a nice girl, but I'm 22 and a half," he said at Rolling Stone magazine's American Music Awards after party. Cyrus turns 18 on Nov. 23.