Disney reunion: Miley Cyrus dressed up as some kind of sexy creature as she attended Amanda and Alyson Michalka's Halloween party
Those are tiny shorts! Zac Efron dressed as a Reno 911 police officer as he joined the Michalka sisters
Hey y'all: Country singer LeAnn Rimes dressed as a pregnant, chain-smoking bride (left) while Glee actress Lea Michele dressed as the Swan Queen from Swan Lake
Don't be fooled by the rocks that I got: Nicole Richie was a dead-ringer for Jennifer Lopez (left), while Sofia Vergara dressed in an Angry Birds costume
Having a laugh: Jennifer Love Hewitt dressed as a sexy cheerleader, while her new boyfriend Jarod Einsohn was a bottle of beer
Popular choice: Kim Kardashian (left) and Julianne Hough (pictured right with brother Derek) both dressed as Poison Ivy from the Batman comics