Just when you thought the MTV Movie Awards couldn't get any hotter [1], Zac Efron [2] and Sami Miró show up. On Saturday, the couple put on quite the loving display while posing for photos backstage, adding to their long list of sweet moments together [3]. This is just the latest we've seen of the pair together since they popped up at the Saint Laurent fashion show [4] back in February, although Zac has been hard at work filming Baywatch [5] alongside Dwayne Johnson in Florida. Keep reading to see more of the duo's sweet night, and then flip through Zac's hottest shirtless pictures of all time [6].