The audience was all shook up when Willie hit the stage as Elvis Presley.
The broadcaster channeled his inner champ when he dressed up as Muhammad Ali.
The Today host show proved she could bring out her in powerhouse as the legendary Celine Dion. And that's the way it is.
Peter and Kristen said "yes" to channeling newlywed couple Jennifer Lopez and Ben Alffeck for Halloween.
The TV host dressed up as legendary magician David Copperfield.
The meteorologist surely brought the magic when she dressed up as Adelaide Herrmann.
The weatherman impressed viewers when he hit the stage as Sammy Davis Jr.
The 7-year-old paid homage to her dad's 1995 movie Clueless and channeled Stacey Dash's character Dionne Davenport for her Halloween costume.
The Grammy winner attends Shaun Ross' Alien Superstar Halloween party at Sunset at EDITION.
"Monsters Inc. & Boo," the Vanderpump Rules star wrote on Instagram.
The hip-hop artist is ready to party at Unruly's 3rd Annual Halloween Party with Moonpay and Limitless.
The singer appears as Catwoman.
"Owlette and Tigger aka True and Baby Brother," Khloe Kardashian wrote on Instagram as her son wore a costume from Pottery Barn Kids.
The Riverdale actresses appear as the Sanderson sisters from Hocus Pocus.
The Kardashians star celebrates the spooky holiday with True Thompson, who was spotted wearing Hanna Andersson's spooky smiles PJ set.
The Grammy winner's alter ego DJ Pee .Wee attends the Starchild Rooftop Bar & Lounge opening party at CIVILIAN Hotel.
The Resident Evil actress appears at Darren Dzienciol's CARN*EVIL Halloween party at a private home in Bel-Air, Los Angeles.
The Twilight alum attends the Casamigos Halloween party.
The Hollywood couple celebrates Halloween at The BOOM BOOM Room at The Standard, High Line.
The former Victoria's Secret Angel hosts Darren Dzienciol's CARN*EVIL Halloween party at a private home in Bel-Air, Los Angeles.
The Boys actor attends Darren Dzienciol's CARN*EVIL Halloween party at a private home in Bel-Air, Los Angeles.
The star appears at Darren Dzienciol's CARN*EVIL Halloween party at a private home in Bel-Air, Los Angeles.
The model will make you never look at Toy Story's Jessie the same way again.
The married couple dress up as Batman and Catwoman.