"Just Dance 4," the latest installment in the popular dance game series by Ubisoft, hits stores next week on October 9. (Pop Culture Geek)

Other celebrities who are big fans of the franchise and came out to support the game's launch include Olympic gold medalist Alex Morgan (US Women's Soccer), Ashley Benson from "Pretty Little Liars," Holly Madison ("Holly's World"), and many more. The guests partied and enjoyed themselves by trying out the game's brand new features at "Just Dance 4" kiosks.

The game is just the latest installment in the widely popular "Just Dance" series. Having sold more than 30 million games to date, the "Just Dance" series is considered the world's number one dance game franchise.

"Just Dance 4" introduces a variety of new features and game modes, including Battle Mode, Alternate Choreographies, and an expanded Just Sweat Mode. The game will also feature new songs, including popular Top 40 songs, such as Carly Rae Jepsen's "Call Me Maybe," as well as old classics like Elvis Presley's "Jailhouse Rock."

The dance game will be released in the US next week on October 9 for the Nintendo Wii, Playstation 3, and Xbox 360 systems. A version for the Wii U with exclusive songs and features, such as Puppet Master Mode, will also be released during the game system's launch date in November. You can watch the "Just Dance 4" trailer below as well as see pictures from the launch party:

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