Penn Badgley subtly discussed his past relationship with Blake Lively while sharing secrets from the Gossip Girl set secrets on "Call Her Daddy." Badgley, now 38, recalled "the struggle" of separating his real life from playing Dan Humphrey when chatting with host Alex Cooper on Wednesday,

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.