As always, the Casamigos Halloween party was the event of the season! Even thought Cindy Crawford's hubby Rande Gerber and his business partner George Clooney sold the company last year to the tune of $1 BILLION, the BFFs are still the faces of the brand and they still get paid to party!

Cindy was dressed as Blondie, Rande as David Bowie, daughter Kaia as Joan Jett and Presley as a random rocker. Celebs like Ryan Seacrest dressed as Karl Lagerfeld, Charlotte McKinney as a sexy rollerskater, Lisa Rinna and Harry Hamlin as Edie Sedgwick and Andy Warhol, Brandi Glanville as ... what else ... a Playboy bunny, and SO many more, attended the blowout bash. Check out our huge gallery of the best celebs with the best costumes and watch the video to see how it all went down!