Singer and founding member of the rock band Phantom Planet, the band that sang "California." He has also acted in films like Donnie Darko.
He learned to play guitar when he was ten years old.
He appeared in commercials for the clothing store The Gap.
He is extremely close to his mother, whom taught him how to play guitar. He began dating actress Brie Larson and the two became engaged in May 2016.
He is a good friend of and former co-star with the actor Jake Gyllenhaal.