Logan Lerman: Go See 'Blackfish'!

Logan Lerman signs autographs for fans while promoting his new film Percy Jackson: Sea of Monsters on Wednesday (August 14) in Mexico City, Mexico.

The 21-year-old actor, in a Joe’s sweater, attended a press conference for the movie.

PHOTOS: Check out the latest pics of Logan Lerman

“The power of cinema is tested with the new documentary Blackfish. Eye opening film. Don’t go to Sea World kids!” he recently tweeted.

The week before, Logan hit the blue carpet at the 2013 Teen Choice Awards held at the Gibson Amphitheatre in Los Angeles.