Celebrity Check-ins: 14 Courtesy: Instagram User chloegmoretz Six Flags Magic Mountain Chloe Grace Moretz had a funnel cake when she was here in November 2016. Celebrity Check-ins: 1 Courtesy: Instagram User chloegmoretz Six Flags Hurricane Harbor, Los Angeles Britney Spears let out a “whoop whoop” while having some fun in the sun with her sons at Six Flags Hurricane Harbor, Los Angeles in July 2016.