Occasionally, celebrities turn to other celebs for their Halloween costume inspiration. See Paris Hilton transform into Britney Spears, Beyoncé into Toni Braxton and oh, so many Marilyn Monroe impersonations — plus many other times when stars dressed up as other A-listers.

The Today show besties went as two iconic fashion editors this Halloween: Guthrie appeared on Today as Meryl Streep’s Miranda Priestly from The Devil Wears Prada, while Hager dressed up as the woman who inspired Streep’s character, Vogue ’s recently stepped-down longtime editor in chief, Anna Wintour.

All of the stars were challenged to a mini dance-off — the "Dance Monster-thon." As they danced, they were eliminated by the judges one by one. The longer they remained dancing, the more points they earned. In the end, "Secret Lives of Mormon Wives" star Whitney Leavitt and dancing pro Mark Ballas won the challenge, earning 5 points.

Andy Cohen's son Ben, 6, dresses as Darth Vader for Halloween after telling his dad he "hated the ending" of 'Star Wars.'

The top nine couples of the season embraced their dark side during Season 34’s Halloween Night. Former DWTS pro and two-time mirrorball trophy winner Cheryl Burke joined Carrie Ann Inaba, Derek Hough, and Bruno Tonioli on the judges panel to lend her ballroom expertise to Season 34’s celebrity contestants.

"Dancing With the Stars" brought tricks and treats to the ballroom as they mesmerized audiences on Halloween Night

Alix Earle says she won't be celebrating Halloween with her usual all-out festivities this year. Instead, the influencer poured her energy into her spooky, holiday-themed 'Dancing with the Stars' performance with partner Val Chmerkovskiy on Oct.