Zac Efron might've failed to show up for the High School Musical ten year mini-reunion, both times, but he still managed to make us smile and swoon this week. 

While promoting his new movie Dirty Grandpa, our boy Zefron visited Ellen to show us his baddest moves, via a game of Heads Up. It begins with him giving E a lap dance. Seriously. 

At one point he twerks, too. Miley Cyrus has yet to comment, but you can watch the video in its full glory above. 

When you're done there, check out our list of the best movies from 2015.