Watch Zac Efron & Robert De Niro Strip Down, Smoke Crack, & Get Their Party On In Trailer For Dirty Grandpa!

Zac Efron shirtless again? Yes PLEASE!

In the new comedy Dirty Grandpa, hitting theaters next year, Robert De Niro plays Efron’s perverted Grandpa who tricks his grandson into driving him to Florida for spring break right before Zac’s wedding!

Photos: 7 Reasons Zac Efron Is Just Better When He’s Shirtless!

They meet Aubrey Plaza along the way who’s just a bit dirty herself, as the grandpa and grandson get into a bit of trouble partying a bit too hard!

Ch-ch-check out the HIGHlarious trailer (above) and let us know how excited you are for it to hit theaters January 22, 2016!

Oct 28, 2015 2:57pm PDT

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