OK, so it wasn't quite as epic as his sexy shirtless appearance at the 2014 MTV Movie Awards [1], but he still showed a little skin! Zac Efron [2] took the stage in LA on Sunday night with his Neighbors costar Dave Franco to accept the award for best duo [3], and because they were in character, Zac wore an open military jacket with nothing underneath. That's right, with a little help from Dave, we got a glimpse of Zac's tan abs and chest. Even though he's had plenty of hotter shirtless moments [4], we'll take it.