People.com Halloween Party

Star Halloween Costumes of 2011

From Fergie's pageant queen to Jennifer Garner's witchy woman, see Hollywood's wild and wacky getups

MARISKA HARGITAY

Welcome to the witching hour! The Law & Order: SVU star (and mom of three) casts a spell over her little pumpkin, 6-month-old daughter Amaya Josephine, during the Light Up a Life benefit in New York City on Oct. 22.