<Li> Razor & Tie </Li> <Tr> <Th> Associated acts </Th> <Td> The Pretty Reckless </Td> </Tr> <P> Taylor Michel Momsen (born July 26, 1993) is an American singer, songwriter, former actress, and model . She is known for being the lead singer and frontwoman of the American rock band The Pretty Reckless . She is also known for portraying the character of Jenny Humphrey on the CW teen drama series Gossip Girl (2007--2012) and Cindy Lou Who in the film Dr. Seuss' How the Grinch Stole Christmas (2000). </P> <P> Taylor Momsen was born on July 26, 1993, in St. Louis, Missouri . Her parents are Michael and Collette Momsen and she has a younger sister, Sloane Momsen, who is also an actress . She has Russian ancestry . She was raised Roman Catholic and attended Our Lady of Lourdes Catholic School for elementary school and later Herbert Hoover Middle School in Potomac, Maryland . Although, she says now that she is older she is not a religious person . She studied dance at the Center of Creative Arts in St. Louis . </P>

Who played cindy lou who on the grinch