Question: gossip girl who is keith van der woodsen
Answer: d by Mark Piznarski Written by Stephanie Savage Josh Schwartz Featured music `` Destination Unknown '' `` I Want a New Drug '' `` Mirror in the Bathroom '' `` I Melt with You '' `` Dancing with Myself '' `` Stand and Deliver '' `` 52 Girls '' `` I Hate the Rich '' `` Blue Monday '' `` The Safety Dance '' `` Just Ca n't Get Enough '' `` Prom Theme '' `` Doot Doot '' Original air date May 11 , 2009 Guest appearance ( s ) Brittany Snow as Lillian `` Lily '' Rhodes ( flashbacks ) Krysten Ritter as Carol Rhodes Matt Barr as Keith van der Woodsen Andrew McCarthy as Rick Rhodes Shiloh Fernandez as Owen Campos Ryan Hansen as Shep Caroline Lagerfelt as Celia `` CeCe '' Rhodes Connor Paolo as Eric van der Woodsen Cynthia Watros as CeCe Rhodes ( flashbacks ) Yin Chang as Nelly Yuki Nicole Fiscella as Isabel Coates Abby Pivaronas as Veronica Amanda Setton as Penelope Shafai Zuzanna Szadkowski as Dorota Kishlovsky Dreama Walker as Hazel Williams Episode chronology ← Previous `` The Wrath of Con '' Next → `` The Goodbye Gossip Girl