Zac Efron & Robert De Niro Play Flip Cup Against Zoey Deutch & Aubrey Plaza for 'Dirty Grandpa'
Zac Efron looks super preppy as he shoots a drinking game scene for his new film Dirty Grandpa on Tuesday (May 5) in Tybee Island, Ga.
It looked like they had a blast shooting! There were a ton of extras for the party scene.
Also spotted on set that day was Zac‘s girlfriend Sami Miro, who sat off to the side as he filmed.
15+ pictures inside of Zac Efron, Robert De Niro, and more on set of the movie…