As the saying goes, "Imitation is the sincerest form of flattery," but when celebs opt for similar Halloween costumes, we gotta ask y'all: Who'd You Rather?! "It's Britney B*tch!" Paris Hilton rocked a schoolgirl outfit from the "Hit Me Baby One More Time" era, while Casey Boonstra sported a "I'm A Slave For You" 'fit ... Which iconic Britney look is best?! "Edward Scissor Hands?! More like "Edward SZA Hands!" Musicians Lizzo and Saweetie nailed the spooky classic ... But there can only be one