Taylor Michel Momsen is an American singer, songwriter, former actress, and model.Taylor Momsen was born on July 26, 1993, in St. Louis, Missouri. Her parents are Michael and Collette Momsen. She is known for portraying the character ofJenny Humphrey on the CW teen drama series Gossip Girl (2007?12) and Cindy Lou Who in the film Dr. Seuss’ How the Grinch Stole Christmas (2000).Since 2007, she is the frontwoman of the rock band The Pretty Reckless.