Taylor Michel Momsen,  frontwoman of The Pretty Reckless, played Jenny Humphrey on what CW series?
Taylor Momsen 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).
Katie Aselton Kathryn "Katie" Aselton (born October 1, 1978) is an American actress, film director and producer. She directed and co-starred in "The Freebie", which was shown in the non-competition "Next" category at the Sundance Film Festival in 2010. She also starred as Jenny MacArthur in the FX sitcom, "The League". Since 2017, Aselton stars in FX's Marvel Comics X-Men drama, "Legion".