Singer The Weeknd and model Bella Hadid attend Heidi Klum's 19th Annual Halloween Party Sponsored by SVEDKA Vodka and Party City at Lavo NYC on October 31, 2018 in New York City. (Photo by Craig Barritt/Getty Images for SVEDKA Vodka)





Shelby Tribble attends KISS Haunted house Party 2018 at The SSE Arena, Wembley on October 26, 2018 in London, England. (Photo by John Phillips/Getty Images)





Olivia Attwood attends KISS Haunted house Party 2018 at The SSE Arena, Wembley on October 26, 2018 in London, England. (Photo by John Phillips/Getty Images)





Marnie Simpson attends KISS Haunted house Party 2018 at The SSE Arena, Wembley on October 26, 2018 in London, England. (Photo by Splash News and Pictures)





Jessica Wright attends KISS Haunted house Party 2018 at The SSE Arena, Wembley on October 26, 2018 in London, England. (Photo by James Shaw/Rex Features/Shutterstock)





Rita Ora as Post Malone attends KISS Haunted house Party 2018 at The SSE Arena, Wembley on October 26, 2018 in London, England. (Photo by James Shaw/Rex Features/Shutterstock)





Kady McDermott as a dead bride attends KISS Haunted house Party 2018 at The SSE Arena, Wembley on October 26, 2018 in London, England. (Photo by John Phillips/Getty Images)





Samira Mighty attends KISS Haunted house Party 2018 at The SSE Arena, Wembley on October 26, 2018 in London, England. (Photo by John Phillips/Getty Images)





Paris Hilton is seen on October 26, 2018 in Los Angeles, CA. (Photo by Hollywood To You/Star Max/GC Images)





Chloe Khan dressed as Princess Jasmine from Aladdin seen on October 31, 2017 in London, England. (Photo by iCelebTV)





Katherine Ryan seen leaving Jonathan Ross – Halloween party on October 31, 2017 in London, England. (Photo by Beretta/Sims/Rex Features/Shutterstock)





Ashley James seen leaving Jonathan Ross – Halloween party on October 31, 2017 in London, England. (Photo by Goff Photos)





Ashley James seen leaving Jonathan Ross – Halloween party on October 31, 2017 in London, England. (Photo by Beretta/Sims/Rex Features/Shutterstock)





Alesha Dixon and her husband Azuka seen leaving Jonathan Ross – Halloween party on October 31, 2017 in London, England. (Photo by Beretta/Sims/Rex Features/Shutterstock)





Rita Ora attending Her Halloween party at Laylow on October 31, 2018 in London, England. (Photo by Splash News and Pictures)





Megan Barton-Hanson attends Fran Cutler's annual Halloween party in association with CIROC Vodka Black Raspberry at MOMO on October 31, 2018 in London, England. (Photo by David M. Benett/Dave Benett/Getty Images for CIROC Vodka)





Emily Ratajkowski attends Travis Scott's Halloween At The Weekend Unlimited Delilah Take Over on October 31, 2018 in Los Angeles, California. (Photo by Vivien Killilea/Getty Images for Deliliah)





Emily Ratajkowski attends Travis Scott's Halloween At The Weekend Unlimited Delilah Take Over on October 31, 2018 in Los Angeles, California. (Photo by Vivien Killilea/Getty Images for Deliliah)





Olivia Munn attends the Casamigos Halloween Party on October 26, 2018 in Beverly Hills, California. (Photo by Michael Kovac/Getty Images for Casamigos)





Paris Hilton is spotted arriving to the Casamigos Halloween Party in Beverly Hills on October 27, 2018. (Photo by Mr. Canon/Splash News and Pictures)





Rande Gerber (L) and Cindy Crawford attend Casamigos Halloween party at CATCH Las Vegas at ARIA Resort & Casino on October 27, 2018 in Las Vegas, Nevada. (Photo by Kevin Mazur/Getty Images for Casamigos)





Ryan Seacrest (L) and Shayna Taylor attend the Casamigos Halloween Party on October 26, 2018 in Beverly Hills, California. (Photo by Kevin Mazur/Getty Images for Casamigos)





Sarah Michelle Gellar arrives at the Jessica and Jerry Seinfeld's GOOD + Halloween Bash at Sony Pictures Studios on October 28, 2018 in Culver City, California. (Photo by Steve Granitz/WireImage)





Kendall Jenner attends Casamigos Halloween party at CATCH Las Vegas at ARIA Resort & Casino on October 27, 2018 in Las Vegas, Nevada. (Photo by Kevin Mazur/Getty Images for Casamigos)





Rihanna puts on a busty appearance at a Halloween party in London, United Kingdom on October 31, 2018. (Photo by Backgrid UK)





Steve Aoki (L) and Nicole Zimmermann attend Casamigos Halloween party at CATCH Las Vegas at ARIA Resort & Casino on October 27, 2018 in Las Vegas, Nevada. (Photo by Bryan Steffy/Getty Images for Casamigos)





Taissa Farmiga attends Just Jared's 7th Annual Halloween Party at Goya Studios on October 27, 2018 in Los Angeles, California. (Photo by Rodin Eckenroth/Getty Images)





Valentin Chmerkovskiy (L) and Jenna Johnson attend Just Jared's 7th Annual Halloween Party at Goya Studios on October 27, 2018 in Los Angeles, California. (Photo by Rodin Eckenroth/Getty Images)





Vanessa Morgan attends Just Jared's 7th Annual Halloween Party at Goya Studios on October 27, 2018 in Los Angeles, California. (Photo by Rodin Eckenroth/Getty Images)





Victoria Justice attends Just Jared's 7th Annual Halloween Party at Goya Studios on October 27, 2018 in Los Angeles, California. (Photo by Rodin Eckenroth/Getty Images)