Taylor Michel Momsen (born July 26, 1993) is an American actress, musician and model who portrays the character of Jenny Humphrey on the CW television series Gossip Girl and portrayed the role of Cindy Lou Who in How the Grinch Stole Christmas, and fronts the rock band The Pretty Reckless.
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 attended Our Lady of Lourdes School and was raised Roman Catholic. She began acting professionally at three years of age with a national commercial for Shake 'N' Bake. She was then cast in The Prophet's Game. In 2000, Momsen played the role of Cindy Lou Who in How the Grinch Stole Christmas. Two years later she was cast in the motion picture: Hansel and Gretel, in which she played Gretel.
Momsen's career came to a halt for over three years until she received the lead role in the never-aired WB series Misconceptions. Momsen appeared in the 2006 film Saving Shiloh and also the 2007 Walt Disney Pictures film Underdog, as Molly. She auditioned for the title role in Hannah Montana, and was in the top three, but the role was instead awarded to Miley Cyrus. In 2008 Taylor Momsen starred as Jennifer in the movie "Paranoid Park", directed by Gus Van Sant. As of 2007 she plays the character of Jenny Humphrey in The CW television series Gossip Girl, which is based on the book series by Cecily von Ziegesar. Taylor attended the Professional Performing Arts School in New York City alongside Connor Paolo, Gregory Malek-Jones and Karina Pasian. Momsen, who appeared in only four episodes through the first half of season four, was then scheduled for an indefinite hiatus from the show.