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

Penn Badgley has opened up about the “surreal” death of his Gossip Girl co-star Michelle Trachtenberg, who died in February, aged 39. Trachtenberg, best known for playing the cunning socialite Georgina Sparks in the 2007 drama series, died as a result of complications from diabetes mellitus, officials announced this month.

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,