Question: who plays serena's mom in gossip girl
Answer: , and so - called `` lonely boy '' Dan Humphrey ( Penn Badgley ) ; Blair 's boyfriend , the ' golden boy , ' better known as Nate Archibald ( Chace Crawford ) ; Dan 's little sister , a 14 - year - old freshman at Constance , Jenny Humphrey ( Taylor Momsen ) ; Nate 's best friend , the wealthy playboy Chuck Bass ( Ed Westwick ) ; Dan 's best friend and ex-lover , the creative Vanessa Abrams ( Jessica Szohr ) ; Serena 's mother , a socialite and philanthropist and frequent divorcée , Lily van der Woodsen ( Kelly Rutherford ) , and also Dan Humphrey 's father , former rock star turned art gallery owner , Rufus Humphrey ( Matthew Settle ) .