Taylor Momsen (24) played "Cindy Lou Who" when she was just seven years old. After "The Grinch" she appeared in several films including "Underdog" and "We were Soldiers".She is best known for her role as "Jenny Humphrey" in "Gossip Girl". Currently, Momsen has taken a break from acting to focus solely on her music career and her Band The Pretty Reckless. Her appearance has changed considerably in recent years and she now rocks more of a bad girl look.