See Zac Efron & Robert De Niro in first Dirty Grandpa pic

EW has debuted the first image from “Dirty Grandpa” starring Zac Efron and Robert De Niro.

Efron plays the uptight Jason Kelly who, right before his wedding is tricked into driving his foul-mouthed, former Army general grandfather Dick (De Niro) to Florida for spring break.

Julianne Hough, Aubrey Plaza, Dermot Mulroney, Zoey Deutch, Jason Mantzoukas, Adam Pally and Henry Zebrowski in the comedy from director Dan Mazer.

“Dirty Grandpa” will open on January 22, 2016.