The Best Celebrity Halloween Costumes of 2023, From Heidi Klum to Paris Hilton

Hilton wasn't the only star to dress as Britney Spears this year. Baby2Baby co-CEO Kelly Sawyer Patricof and "Fantastic Four" actor Jessica Alba both channeled some of the singer's iconic looks at the Casamigos Halloween party. The former re-created Spears's "...Baby One More Time" outfit, while the latter wore a look from her "Toxic" visual.