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

Penn Badgley is remembering his costar on Michelle Trachtenberg. The You star opened up about the death of his fellow Gossip Girl star while walking the red carpet for the premiere of the Netflix thriller series' fifth season.

Penn Badgley has spoken out on his Gossip Girl co-star Michelle Trachtenberg’s 'surreal' death for the first time at a red carpet premiere.