Kristin Cavallari Parties & Dances Without Ring Post-Split from Jay Cutler

Kristin Cavallari didn't waste any time crying over her broken engagement to Jay Cutler! She was out in LA partying with Nicky Hilton and Alessandra Ambrosio, enjoying attention from all sorts of potential suitors, says an eyewitness! Kristin Cavallari is certainly living up to her The Hills bad girl persona! Less than one week after calling off her engagement to Chicago Bears' Jay Cutler, the 24-year-old reality starlet was spotted partying at LA hotspot The Beverly '" and an eyewitness tells HollywoodLife.com she was loving her newfound singledom! "Kristin came out to party with her girlfriends," our source says of the blonde's fun night July 23 with Nicky Hilton and Alessandra Ambrosio. "She didn't have her ring on!" "Nicky and Kristin were dancing on the banquet of their VIP table," our eyewitness says, adding, "Kristin was smiling and in great spirits. She didn't hesitate at all when guys came up trying to hit on her. She loved the attention!" Kristin and Jay became engaged in April during a trip to Mexico, but Jay reportedly called off the nuptials last week. Apparently it didn't take K-Cav too long to get over her man!