Lacey Chabert (Then)
Lacey Chabert began her acting career on Broadway, as young Cosette in “Les Misérables” from 1992-1993. She went on to play Claudia Salinger on “Party of Five.” She was also the voice of Eliza Thornberry on “The Wild Thornberrys” and Gwen Stacy on “The Spectacular Spider-Man.” She is best known for playing Gretchen Wieners in “Mean Girls.”