09/18/2010 05:12 am ET Updated May 25, 2011

Vienna Girardi Hosts Las Vegas Pool Party

As the deejay cranked Beyoncé's "Single Ladies (Put a Ring on It)," the newly single Vienna Girardi showed off her ringless finger Saturday night, and she seemed like she couldn't have been happier.

Just a few weeks after crying on television about the end of her relationship with Jake Pavelka, The Bachelor star headed to Las Vegas to host the "Single and Fabulous" party

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