Halloween 2022: Camila Mendes, Olivia Rodrigo, Lizzo & More; A Look At Best-dressed Celebs

Riverdale's Lili Reinhart, Madelaine Petsch and Camila Mendes were dressed as the Sanderson sisters from Hocus Pocus!

Olivia Rodrigo dressed like Betty Boop for a Halloween party in Hollywood.

Hailey Bieber claimed that her Halloween attire at the Vas Morgan party in West Hollywood was a tribute to a 1999 YSL runway look.

Diddy stepped out in a Joker costume for the Halloween party.

Shawn Mendes dressed up as Indiana Jones for a Halloween party in Los Angeles, while model Winnie Harlow wore an outfit reminiscent of Nefertiti.

For Halloween, Jared Leto rocked a bag from his own band, Thirty Seconds to Mars.

Kim Kardashian dressed up as Mystique from the Marvel X-Men movies.

For this year's Halloween, Lizzo transformed herself into Marge Simpson