Amanda Seyfried is an American actress. She played Karen Smith in Mean Girls and starred in the Mamma Mia! franchise. Seyfried has also starred in the television series Big Love, The Dropout, for which she received a Golden Globe Award and Primetime Emmy Award, and the Apple Original series The Crowded Room. She has also appeared in the films Les Misérables, Mank, Dear John, Letters to Juliet, and Jennifer's Body. She also starred in the films Lovelace and A Mouthful of Air. She also released the single Excavator with Blippi.