![Hot At Any Age! Shirtless Zac Efron, 27, & Robert De Niro, 71, Flex Their Muscles On The Set Of 'Dirty Grandpa' -- 10 Ab-tastic Photos Hot At Any Age! Shirtless Zac Efron, 27, & Robert De Niro, 71, Flex Their Muscles On The Set Of 'Dirty Grandpa' -- 10 Ab-tastic Photos](https://media.radaronline.com/brand-img/dzpLp14wU/0x0/2015/04/zac-efron-shirtless-muscles-robert-deniro-bad-grandpa-PP.jpg)
Hot At Any Age! Shirtless Zac Efron, 27, & Robert De Niro, 71, Flex Their Muscles On The Set Of 'Dirty Grandpa' -- 10 Ab-tastic Photos
Robert De Niro 70, he is an actor who has starred in over ninety films throughout his career. His first major film roles were in Bang the Drum Slowly and Mean Streets,
![A ripped Robert de Niro, with jailhouse tattoos for his role as ex-con in Scorsese's Cape Fear movie | Robert de niro, Actors, Great movies A ripped Robert de Niro, with jailhouse tattoos for his role as ex-con in Scorsese's Cape Fear movie | Robert de niro, Actors, Great movies](https://i.pinimg.com/originals/c0/03/5b/c0035bd4a6385a8da59e5e14960a44ad.jpg)