Zac Efron without a shirt truly is one of life's simple pleasures, which is why we have a whole article dedicated to the phenomenon. He's shedding his clothes once again for the road-trip comedy Dirty Grandpa, and we couldn't be happier about it. By the looks of it, Efron's and Robert De Niro's characters enter into some kind of bodybuilding competition, and De Niro might actually win? You can bet we'll be updating this should more shirtless pictures become available, so stay tuned.
Also, here's this cropped picture, in case you want to save it for later.