People.com's 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

LAUREN CONRAD

Say cheese! The reality star is cute as can be thanks to her spot-on Minnie Mouse ensemble at the Bacardi- and Maroon 5-hosted Halloween bash at L.A.'s Hollywood Forever Cemetery.