Amanda Seyfried is an American actress, singer and songwriter.
She began her career as a child model when she was 11, and at 15 began her career as an actress, starting off with uncredited roles and moving on to recurring roles on the soap operas As the World Turns and All My Children. In 2004, Seyfried made her film debut in Mean Girls. Her subsequent supporting roles were in independent films, such as Nine Lives (2005) and Alpha Dog (2006). She also had a recurring role in the UPN TV show Veronica Mars (2004–2006). Between 2006 and 2011, she was on HBO's series Big Love. After that, Seyfried appeared in her breakthrough role in the 2008 musical feature film Mamma Mia!. Other appearances include leading roles in Jennifer's Body (2009), Chloe (2009), Dear John (2010), Letters to Juliet (2010), Red Riding Hood (2011), and In Time (2011). She played Linda Lovelace in the biopic Lovelace. She portrays Cosette in Les Misérables (2012 film)
On the 12 March 2017 she married Thomas Sadoski; they are expecting their first child.