Television personality Kimberly Kardashian and NFL player Reggie Bush attends the Pur Jeans Halloween Bash at STK on October 31, 2008 in Los Angeles, California. (Photo by Mark Sullivan/WireImage)





Heidi Klum as an evil Betty Boop at Dolce & Gabbana's Halloween Party at Cipriani 42nd Street in New York City. October 31, 2002. (Photo by Sylvain Gaboury/FilmMagic)





Actress Christina Milian arrives at the 3rd Annual Midori Green Halloween at Bootsy Bellows on October 29, 2013 in West Hollywood, California. (Photo by Jerod Harris/Getty Images)





Celebrities show off their costumes while attending Matthew Morrison's Halloween Party at Hyde Nightclub in West Hollywood, California on October 25, 2014. Pictured: Shenae Grimes, Josh Beech. (Photo by FameFlynet)





Kendall Jenner is seen on November 01, 2017 in Los Angeles, California. (Photo by gotpap/Bauer-Griffin/GC Images)





Singer and “The Voice” coach Adam Levine and his wife Behati Prinsloo going to a Halloween party in Sherman Oaks, California on October 31, 2014. Actress Melissa McCarthy said of Adam's Halloween party he hosted earlier in the week that “Every single woman had a bikini on of a different ilk”. (Photo by FameFlynet)





Model Alessandra Ambrosio attends VO|CO Presents Alessandra Ambrosio's Heaven And Hell Halloween Party At 1OAK Los Angeles at 1OAK on October 31, 2015 in West Hollywood, California. (Photo by Vivien Killilea/Getty Images for VO|CO)





Model Alessandra Ambrosio attends the Casamigos Halloween Party at the home of Mike Meldman on October 25, 2013 in Beverly Hills, California. (Photo by Jerod Harris/Getty Images)





Actress Ashley Greene from the “Twilight” movie series arrives at Veuve Clicquot's Yelloween at the Tao Nightclub at the Venetian Resort Hotel Casino October 31, 2009 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images)





Ashley Madekwe attends Matthew Morrison's 5th Annual Halloween Party Presented By Freixenet at Hyde On Sunset on October 25, 2014 in Los Angeles, California. (Photo by Stefanie Keenan/Getty Images for Freixenet)





Audrina Patridge hosts “I Dream of Audrina” Halloween party at Dusk on November 1, 2009 in Atlantic City, New Jersey. (Photo by Gilbert Carrasquillo/Getty Images)





Audrina Patridge (L) and Corey Bohan attend a Halloween party at The Bank Nightclub at the Bellagio on October 30, 2010 in Las Vegas, Nevada. (Photo by David Becker/WireImage)





Audrina Patridge arrives at a Halloween party at The Bank Nightclub at the Bellagio on October 30, 2010 in Las Vegas, Nevada. (Photo by David Becker/WireImage)





Former “The Hills” star Audrina Patridge and her on again, off again boyfriend Corey Bohan get into a huge fight after attending Matthew Morrison's Halloween Party at Hyde Nightclub in West Hollywood, California on October 25, 2014. Audrina and Corey, who recently split up this past summer, seemed to be in great spirits before the party started but afterwards it was a whole different story! The not so happy couple argued on a bench and at one point a visibly upset Audrina sat on the sidewalk crying! (Photo by FameFlynet)





Blake Lively attends Halloween 2033: SVEDKA Vodka Adult Playground Series @ 1OAK with Scott Sartiano and Richie Akiva on October 31, 2009 in New York City. (Photo by Dimitrios Kambouris/Getty Images for Svedka Vodka)





John Legend (R) and Chrissy Teigen arrive to the PUR Jeans Halloween Bash held at STK and Coco De Ville on October 31, 2008 in West Hollywood, California. (Photo by Michael Tran/FilmMagic)





Christina Milian joins a host of celebrities at the STK Pur Halloween party in West Hollywood on Friday, October 31 2008. (Photo by Greg Tidwell/PacificCoastNews)





CoCo and Ice T attend Moto X presents Heidi Klum's 15th Annual Halloween Party sponsored by SVEDKA Vodka at TAO Downtown on October 31, 2014 in New York City. (Photo by Ilya S. Savenok/Getty Images for Heidi Klum)





Celebrities dressed in costumes attend Heidi Klum's Halloween party in New York City on October 31, 2011. Here: Doutzen Kroes. (Photo by Nicolas/FameFlynet)





Television personality Ginger Zee, dressed at Ariana Grande, enters the “Good Morning America” taping at the ABC Times Square Studios on October 31, 2014 in New York City. (Photo by Ray Tamarra/GC Images)





Model Heidi Klum attends her 8th Annual Halloween Party at The Green Door on October 31, 2007 in Los Angeles, California. (Photo by Charley Gallay/Getty Images)





Heidi Klum attends Heidi Klum's 16th Annual Halloween Party sponsored by GSN's Hellevator And SVEDKA Vodka At LAVO New York on October 31, 2015 in New York City. (Photo by Nicholas Hunt/Getty Images for Heidi Klum)





Heidi Klum during Heidi Klum's 4th Annual Haunted Halloween Bash Sponsored by CMA North America - Outside Arrivals at LQ in New York City, New York, United States on October 31, 2003. (Photo by Dimitrios Kambouris/WireImage)





Holly Madison attends the 3rd Annual “Hollyween” at Studio 54 at MGM Grand Resort and Casino in Las Vegas, Nevada on October 29, 2011. (Photo by Judy Eddy/WENN.com)





Iggy Azalea dressed as Cruella de Vil attends the VEVO Halloween showcase at The Oval Space on October 31, 2013 in London, England. (Photo by Gareth Cattermole/Getty Images)





Actress Jenna Ushkowitz arrives at the 3rd Annual Midori Green Halloween at Bootsy Bellows on October 29, 2013 in West Hollywood, California. (Photo by Jerod Harris/Getty Images)





Christina Aguilera and Jordan Bratman at the Body English at The Hard Rock Hotel and Casino Resort in Las Vegas, Nevada on October 29, 2005. (Photo by Denise Truscello/WireImage)