<Tr> <Th_colspan="2"> Jenny Humphrey </Th> </Tr> <Tr> <Td_colspan="2"> Gossip Girl and The It Girl character </Td> </Tr> <Tr> <Td_colspan="2"> Taylor Momsen as Jenny Humphrey </Td> </Tr> <Tr> <Th> First appearance </Th> <Td> Novel: Gossip Girl (Gossip Girl series) The It Girl (The It Girl series) Television: "Pilot" (episode 1.01) </Td> </Tr>

When does jenny go crazy in gossip girl