Best Halloween 2019 Costumes From Adele, Lady Gaga, Mariah Carey, The Weeknd and More

Halloween may be over, but celebrities officially turned it out for the holiday on Thursday night (Oct. 31) to officially celebrate in style. 

Before jumping into the Christmas spirit, get one last look at the wildest costumes from the likes of Adele, Mariah Carey, Lady Gaga, The Weeknd and more.

Check out Billboard's favorite Halloween get-ups below.


Adele made one fan's Halloween dreams come true by graciously posing with her in a photobooth while dressed as a sexy pirate.

Mariah Carey completed her countdown to the start of the Christmas season as the frontwoman of fictional '80s rock band Spit. Naturally, the queen of Christmas woke up Friday morning (Nov. 1) to a phone call from Santa himself!

While Joaquin Phoenix's clown-faced baddie may be all the rage at the box office this year, The Weeknd perfectly channeled Jack Nicholson's version of the Joker from 1989's Batman.

Normani topped her homage to Naomi Campbell from earlier in the week by flawlessly recreating Cher's iconic nude photoshoot from her 1979 album, Prisoner -- tinsel-y silver wig, translucent angel wings and all.

Lady Gaga hit the town dressed as a sexy, fishnet-clad unicorn alongside DJ Jodie Harsh. 

Talk about a hunk, a hunk of burning love! Jason Momoa stopped by The Ellen DeGeneres Show dressed as a lei'd, '70s-era Elvis Presley.

Heidi Klum stuck to her tradition of mind-blowingly over-the-top costumes at her annual A-list Halloween bash as a creepy (and very nude) alien, and even ended up posing with Mariah Carey by the end of the night.

Yabba dabba doo! Kim Kardashian West went full Flintstones with her famous brood, dressing up as a demure Betty Rubble to North West's Wilma Flintstone, with Saint and Chicago as an adorable Fred and Pebbles. (Unfortunately, no word on whether Kanye West showed up as Bamm-Bamm...)

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