Diego Boneta: 'Rock Of Ages' Mexico City Photocall

Diego Boneta is all smiles as he promotes his flick Rock of Ages during a photocall on Monday (August 13) in Mexico City, Mexico.

The 21-year-old heartthrob even channeled his inner rockstar on the red carpet before heading inside the the St. Regis Hotel.

PHOTOS: Check out the latest pics of Diego Boneta

Rock Of Ages is about a small town girl Sherrie (Julianne Hough) and city boy Drew (Boneta) who meet on the Sunset Strip while pursuing their Hollywood dreams.

Their rock ‘n’ roll romance is then told through the heart-pounding hits of Def Leppard, Foreigner, Journey, Poison, REO Speedwagon, Twisted Sister and more.