Seyfried began her career as an actress around soap operas. Within 2000, she was the number 1 actress to play Lucy Montgomery in CBS's As the World Turns. She went in, from either 2002 to 2003, to play Joni Stafford on ABC's All My Children.

Inside 2004, Seyfried was cast as one of a "Plastics", Karen Smith, in the motion-picture show Mean Girls.

Presently, Seyfried hwhen the revenant role as Lilly Kane in the UPN television series Veronica Mars. Inside her role when Lilly Kane, she appears on the indicate across the series of flashbacks, which portray her as the wild, stylish, & bubbly teenaged girl of a corporate executive. Lilly typically is in comparison a role of Twin Peaks' Laura Palmer, who too wwhen departed & appeared across various flashbacks as a plot unfolded. Seyfried has experienced primetime cameo appearances on Fox's House, M.D. and NBC's Law & Order. Within 2005, she will pop up in the film Alpha Dog, starring pop icon Justin Timberlake.

Additionally to her acting & modeling career, she occurs as student at New York City's Fordham University.