Celebrity Roller Coaster Faces: Kim Kardashian, Katy Perry, Justin Bieber and More (PHOTOS)Oohs and AhhsKim and Kanye shared a scream at Six Flags Magic Mountain this week. The Daily Beast rounds up other famous coaster-riding shriekers. Updated Jul. 13, 2017 9:22PM ET / Published Jul. 21, 2012 4:45AM ET