Amanda Michelle Seyfried ( SY-fred; born December 3, 1985) is an American actress, and singer / songwriter. She began acting at 15, with recurring roles as Lucy Montgomery in the CBS soap opera As the World Turns (1999–2001) and Joni Stafford in the ABC soap opera All My Children (2003). She came to prominence for her feature film debut in the teen comedy
Mean Girls (2004), and for her roles as Lilly Kane in the UPN mystery drama series
Veronica Mars (2004–2006) and Sarah Henrickson in the HBO drama series
Big Love (2006–2011). Seyfried has starred in a number of films, including
Mamma Mia! (2008) and its sequel
Mamma Mia! Here We Go Again (2018),
Jennifer's Body (2009),
Dear John (2010),
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