Dirty Grandpa Official Red Band Trailer @1 2016 - Comedy Movie HD <br /> <br />Right before his wedding, an uptight guy is tricked into driving his grandfather, a perverted former Army general, to Florida for spring break. <br /> <br />Director: Dan Mazer <br />Writer: John Phillips (screenplay) <br />Stars: Robert De Niro, Julianne Hough, Zac Efron <br />Genre : Comedy <br />Release Date : 22 January 2016 (USA)
