Kim Kardashian and daughter North West dress up as Clueless characters Cher and Dionne for Halloween

Christina Aguilera transforms into her Burlesque costar Cher while Justin and Hailey Bieber make a cute Flintstones couple as they join stars dressing up on Halloween eve

North West Dresses as Dad Kanye West’s Dropout Bear for Halloween

Kim Kardashian's Skims Launches Men's Products, Becomes NBA's Official Underwear Partner - Shop the Best Items!