Casamigos Annual Halloween Party Attracts Celebrities from Justin Bieber to Paris Hilton

George Clooney and Rande Gerber's Casamigos Tequila roped in Hollywood A-listers in their annual Halloween party where guests dressed as iconic pop culture characters, with multiple attendees channeling Britney Spears.

Celebrities including Justin Bieber, Paris Hilton, and Jessica Alba attended the annual Casamigos Halloween party in Los Angeles, hosted by George Clooney and Rande Gerber. Many chose to dress as iconic pop culture characters, with a recurring theme being Britney Spears.
Cindy Crawford, Rande Gerber's wife, and their children, Kaia Gerber and Presley Gerber, were also in attendance. Crawford and Gerber went as Sandy Olsson and Danny Zuko from Grease, while Kaia Gerber and her boyfriend Austin Butler dressed as Andy Warhol and his model girlfriend, Edie Sedgwick.
Multiple attendees, including Jessica Alba and Paris Hilton, channeled Britney Spears. Alba donned a sheer, gem-covered bodysuit inspired by Spears' 'Toxic' music video, while Hilton wore the flight attendant outfit from the same video.
Megan Fox and Machine Gun Kelly were present as well, dressed as characters from Quentin Tarantino's Kill Bill. Other attendees included Victoria Justice, Julianne Hough, Jenna Dewan and Steve Kazee, among others.
The Halloween party featured a LED-lit tunnel and multiple bars. Guests were reported to enjoy a selection of food and drink, and the atmosphere was described as lively.