Amanda Michelle Seyfried (born December 3, 1985, Allentown, Pennsylvania) 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 starred in "As the World Turns" and "All My Children". In 2004, Seyfried started her film 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".