Amanda Michelle Seyfried (born December 3, 1985) is an American actress, singer-songwriter and former child model. At 11, she became a child model, and at 15 she became a television actress. She is known for her roles in Mamma Mia! and Mean Girls.
Major film and television roles
She starred in As the World Turns and All My Children. In 2004, Seyfried started her movie career, acting in Mean Girls.
She also appeared in a number of other movies: Nine Lives (2005), Alpha Dog (2006), Mamma Mia! (2008), Jennifer's Body, Chloe, Dear John, Veronica Mars and Letters to Juliet.
In 2006, she had a lead role on HBO's television series Big Love.