Caught in the Act

Kristin Cavallari, Leo DiCaprio Party at Celeb-Studded B-Day Bash in L.A.

11/08/2011 at 05:55 AM EST

Leonardo DiCaprio, who stars in the upcoming Great Gatsby adaption, was one of many celebrity revelers at a Gatsby-themed bash at L.A.'s Trousdale Lounge. The soiree was a birthday party for filmmaker Brett Gursky, and DiCaprio hung out with his usual posse of guys: Lukas Haas, Kevin Connolly and Jerry Ferrara. Meanwhile, Kristin Cavallari was the life of the party, bouncing from group to group. The recent Dancing with the Stars contestant was also soaking up male attention. "She was in a very bubbly mood and used her time to let go and have some fun," a partygoer tells us. Also there: Chris Evans and Mark Salling. – Jennifer Garcia

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