Playboy founder Hugh Hefner and his bride Crystal Harris hosted a Halloween bash over the weekend while channeling Miley Cyrus and Robin Thicke.
Hotel heiress Paris Hilton recreated a 2013 VMA flashback moment at the Playboy mansion in a Miley Cyrus-inspired costume that featured a skimpy teddy bear suit and foam finger.
Kate Hudson also hosted a star-studded pre-Halloween bash Saturday night at her home in Pacific Palisades.
Her 'Laugh In' actress mother Goldie Hawn was rocking a Bavarian costume complete with long blonde braids and a pink head scarf.
Josh Duhamel and new-mom Fergie were all decked out as Elvira and Riff Raff from 'The Rocky Horror Picture Show.'
Dressing alike were Nicole Richie and her rocker hubby Joel Madden. The former 'Fashion Star' celeb tweeted, "Happy Halloween from your favorite #TWINS Arnold Schwarzenegger & Danny Devito."
Laeticia Hallyday made a gorgeous Cleopatra while her husband Johnny was a convincing vampire.
'Glee' celeb Lea Michele and her BFF donned sexy little German costumes. She tweeted, "Happy almost Halloween. Great night enjoying some pre Halloween festivies!"
Other party-goers included Naya Rivera, Sasha Baron Cohen, Isla Fisher and Kurt Russell.
Check out MORE 2013 celebrity Halloween costumes here.
Photos: WENN, Twitter-Nicole Richie, Twitter-Crystal Hefner, Twitter-Fergie