Taylor Momsen: Taylor Momsen. Actress: How the Grinch Stole Christmas. Taylor Michel Momsen is an American actress, singer and director from St. Louis, Missouri. She is known for playing Cindy Lou Who from How the Grinch Stole Christmas, Alexandra Anami in Spy Kids 2 and Jenny Humphrey from Gossip Girl. She is the leader of a punk rock band called The Pretty Reckless. Her band released four albums.
