Kim Kardashian And Jonathan Cheban Dress As Sonny & Cher For Halloween Party

The stars came out for the hottest Halloween party of the year thrown by Casamigos Spirits Company and hosted by George Clooney, Rande Gerber, and Mike Meldman. At the Friday night bash, Kim Kardashian and her best buddy Jonathan Cheban played Sonny and Cher, while Adam Levine dressed in drag for the event and Charlotte McKinney had a humiliating wardrobe malfunction, flashing her panties. Scroll through RadarOnline.com's gallery for more fun pics!

The stars came out for the hottest Halloween party of the year thrown by Casamigos Spirits Company and hosted by George Clooney, Rande Gerber, and Mike Meldman. At the Friday night bash, Kim Kardashian and her best buddy Jonathan Cheban played Sonny and Cher, while Adam Levine dressed in drag for the event and Charlotte McKinney had a humiliating wardrobe malfunction, flashing her panties. Scroll through RadarOnline.com's gallery for more fun pics!

Kim Kardashian and foodgod bestie Jonathan Cheban got rave reviews for their Sonny and Cher act at the party. Kardashian, 37, showed off a Cher-style midriff, while Cheban, 43, smiled in his faux Bono mustache and bow tie.

Cindy Crawford and party host Gerber's daughter Kaia Gerber, 16, wasn't afraid to show off her skeletal arms and legs for Halloween. As RadarOnline.com has reported, model Kaia's recent scary skinny look has raised eyebrows. Her brother Presley was at the party, too.

Ariel Winter, 19, who usually is spilling out of her top was surprisingly covered up on Friday night, wearing a skeleton costume. But she did show off her legs in fish-net stockings and long black boots.

You better shape up, because I need a man! Model and Real Housewife Joanna Krupa, 38, channels her inner Sandy from Grease in a tight, black bad girl outfit.

Clooney's wife Amal, 39, was one of the stars of the party as she played a 1970s glamor gal straight from Studio 52 and complete with faux afro.

Cindy Crawford and party host Gerber's daughter Kaia Gerber, 16, wasn't afraid to show off her skeletal arms and legs for Halloween. As RadarOnline.com has reported, model Kaia's recent scary skinny look has raised eyebrows. Her brother Presley was at the party, too.

Charlotte McKinney, 24, flashed her white underwear while posing in a thigh-high split blue gown. The Baywatch star also wore a blonde wig to the star-studded party on Oct. 27.