Demi Moore's wild night in Miami not only confused guests; some appeared annoyed by her partying antics. At the Chanel Beachside Barbecue Wednesday, the 'Striptease' star showed off her moves as Lenny Kravitz, Stacy Keibler and others looked on. The only problem was this: Demi was the only one dancing like it's 1999.

Daily Mail gave the details of Moore's night out in the Sunshine State. It only added another layer of her strange behavior seen since she and Ashton Kutcher's divorce filing last year.
Demi Moore's wild night out at the Soho Beach House Miami had guests and friends on hand at the event wondering why she was so over-the-top with her partying. At this point, no one is alleging she was under the influence of drugs or alcohol.
Perhaps, one of the numerous cans of energy drinks (picture here) had something to do with her bursts of energy. But despite her volcanic moves, singer Lenny Kravitz, who sat next to her, did not seem too impressed.

Demi's rumored boy toy, 26-year-old Vito Schnabel, was at the event, but he and his cougar gal pal were not snapped together. The handsome Italian hunk is known to keep a low profile, despite his flings with some notable faces in the past.

Meanwhile, Moore's eldest daughter, Rumer Willis, 26, was at home in bed with one of her pooches (picture here). So why is her 50-year-old mom out shaking her 'groove thang' when her .