<Tr> <Th> 47 </Th> <Td> </Td> <Td> "Dan de Fleurette" </Td> <Td> Mark Piznarski </Td> <Td> John Stephens </Td> <Td> October 5, 2009 (2009 - 10 - 05) </Td> <Td> 2.08 </Td> </Tr> <Tr> <Td_colspan="7"> <P> It is the first day of school at Constance Billard which means it is also time for Jenny to take her rightful place as the new Queen Bee . Unfortunately for Jenny, Blair is more than happy to intervene when news reaches her that she may be needed back at Constance . Meanwhile, Lily returns home to Rufus and her family to find that things are definitely not as she left them . A famous film actress, Olivia Burke (guest star Hilary Duff), enrolls at NYU in hopes of having a somewhat normal college experience, and is assigned to be Vanessa's roommate . Tyra Banks appears as Ursula, an actress co-starring in Olivia's film and someone who Serena befriends when she is hired by Olivia's personal assistant for an upcoming film premiere . </P> Title reference: The 1986 film Jean de Florette . </Td> </Tr> <P> It is the first day of school at Constance Billard which means it is also time for Jenny to take her rightful place as the new Queen Bee . Unfortunately for Jenny, Blair is more than happy to intervene when news reaches her that she may be needed back at Constance . Meanwhile, Lily returns home to Rufus and her family to find that things are definitely not as she left them . A famous film actress, Olivia Burke (guest star Hilary Duff), enrolls at NYU in hopes of having a somewhat normal college experience, and is assigned to be Vanessa's roommate . Tyra Banks appears as Ursula, an actress co-starring in Olivia's film and someone who Serena befriends when she is hired by Olivia's personal assistant for an upcoming film premiere . </P> <Tr> <Th> 48 </Th> <Td> 5 </Td> <Td> "Rufus Getting Married" </Td> <Td> Ron Fortunato </Td> <Td> Leila Gerstein </Td> <Td> October 12, 2009 (2009 - 10 - 12) </Td> <Td> 2.36 </Td> </Tr>

When was season 3 of gossip girl filmed