Megan Fox, Machine Gun Kelly, Paris Hilton and More Step Out for Star-Studded Halloween Party

Paris Hilton Dons Britney Spears Costume at Casamigos Halloween Party

Paris Hilton dresses up as pal Britney Spears as she attends Casamigos Halloween party with husband Carter Reum… after singer PRAISED socialite in bombshell tell-all book

Why Paris Hilton Had 45 Custom Wedding Dresses Made for Her Big Day