Worked in a surf shop before graduating from Laguna Beach High
School.
Stephen's paternal grandfather, August Colletti, was of Italian descent. The rest of Stephen's ancestry is Irish, Scottish, English, and Swedish.
Had an on/off relationship with Kristin Cavallari when he was in high school.
He attended San Francisco State University for 1 year (04-05) and his major was radio and television. Coletti decided not to return to SFSU. Instead he moved to Los Angeles to pursue his acting career.