PIC: Vienna, in Revealing Bathing Suit, Toasts to “Single Life”

 Denise Truscello/WireImage.com

Looks like Vienna Girardi is finally over Jake Pavelka.

The former reality star, 24, was all smiles over the weekend as she hosted the "Single and Fabulous" party Saturday at Tao Beach and Palazzo Las Vegas' LAVO.

"It was a pretty much a girls-only weekend," a source tells UsMagazine.com. "They had fun."

On Friday, she and her pals – including Amber Lancaster from MTV's The Hard Times of RJ Berger – kicked things off at Tao, where Girardi downed a sake bomb.

Afterwards, they hit Tao's nightclub.

At one point, Girardi jumped on the banquette and danced to Katy Perry’s "California Gurls."

On Saturday, she stepped out in a revealing white swimsuit and fist pumped as her favorite songs blared from the speaker throughout the day.

At one point, she was given an envelope with a hand-written toast to read.

Instead, a source tells Us she ad-libbed, "It's great to be single and fabulous, Hpnotiq shots for everyone!"

The group then tossed “Team Vienna” tank-tops to the crowd.

Girardi is "doing great," an insider tells Us. "She went through a tough time, and she'll never forget it. She feels like she put herself out there and got slapped in the face. It doesn’t matter how thick skinned you are, it's going to hurt.” See the worst ways to break up with someone.

But these days, the source says, "She is keeping a positive mind and is moving on with her new life."

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