Simply Irresistible, Pt. 29

Name: Amanda Seyfried

Age: 23

You know her because: She played a Plastic in Mean Girls, her murder on TV’s Veronica Mars was the driving force behind the show’s outstanding first season; she constantly steals scenes on HBO’s Big Love.

Up next: A co-starring role in Mamma Mia!; the third season of Big Love.

Photo: Universal Pictures (Mamma Mia!).