Badgley said his sideburns were an attempt both to make him appear older, and to be in fashion For Penn Badgley, there are many memories of his time playing Dan Humphrey on Gossip Girl. But perhaps none are as pronounced as those of his sideburns,

Badgley shared his thoughts on his former "Gossip Girl" co-stars, including ex Blake Lively and the late Michelle Trachtenberg.

Penn Badgley is opening up about the challenges of dating his "Gossip Girl" co-star Blake Lively while working on the hit series. Badgley, who played Dan Humphrey, dated Lively, who played Serena van der Woodsen, from 2007 to 2010, mirroring their characters' onscreen romance.