Demi Moore has been having a rough go of things since her split from Ashton Kutcher, but the actress displayed some noticeably bizarre behavior last night at a party in Miami.

Wearing a very short dress that no 50-year-old should be sporting, regardless of how hot they look for their age, Demi seemed to make the other guests like rocker Lenny Kravitz uncomfortable with her bold dance moves, while she periodically tossed her hair over her face when photographers tried to get a shot of her, according to Daily Mail.

It looks like Demi has a new boy-toy, though. Find out the details after the jump!