Brittany Anne Snow (born March 9, 1986) is an American television and movie actress and singer. She is known for her roles as Meg Pryor in "American Dreams", Daisy Lemay in "Guiding Light", Kate Spencer in "John Tucker Must Die", Amber Von Tussle in "Hairspray", Donna Keppel in "Prom Night" and Jenna Backstrom in the NBC television series "Harry's Law".