Young Hollywood Hotties

While Penn Badgley had appeared in several WB television series and the 2006 romantic comedy John Tucker Must Die, it wasn't until he was cast as lovable Brooklyn boy Dan Humphrey on Gossip Girl that he became a household name. It's been a career highlight for the young actor, but it's also changed his personal life as well. Badgley has been dating co-star Blake Lively for over a year.

WHAT'S NEXT Badgley and the rest of the Gossip gang have been renewed for another season and his latest film The Stepfather will hit theatres in October.