No we’re not making this up.
We saw him get shirtless with Robert DeNiro in the teaser to Dirty Grandpa, but we weren’t expecting this. In the full length trailer for the movie Dick Kelly [DeNiro] persuades his uptight grandson Jason [Efron] to let his hair down and get wild at a party.
After accidentally smoking crack – apparently that’s something that can happen – Zac strips down to a hornet thong and dances to the macarena.
Dirty Grandpa is out in UK Cinemas January 22 2016