Proving that LeAnn Rimes isn't the only woman on the planet who can rock a tiny two piece, Brandi Glanville showed off her perfect curves as she stepped out in Las Vegas on Saturday.

The newest The Real Housewives Of Beverly Hills star -- and ex-wife of LeAnn's new husband Eddie Cibrian -- hosted the Second Annual Single And Fabulous Party at TAO Beach at The Venetian.

PHOTOS: Brandi Glanville Shows Off Her Bikini Bod At Tao Beach In Las Vegas

The scorned model wife-turned-reality star donned a tiny white string bikini and joined a group of her girlfriends to dance in their private cabana overlooking the pool.

The ladies downed shots of Hpnotiq Harmonie and munched on cake by Gimme Some Sugar.

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Brandi, who has two-sons with Cibrian, has been enjoying her single life following their divorce earlier this year, traveling to Hawaii to shoot Housewives and spending time relaxing at home in Los Angeles.

When asked at the event if she was dating she responded: "Everyone and No one."

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No, Rachel Bilson has not reunited with one-time fiance Hayden Christensen. Instead, the brunette beauty is getting her wedding kicks by celebrating someone else’s nuptials, RadarOnline.com has learned.

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Bilson, whose engagement was called off earlier this month, celebrated her best friend’s bachelorette party in Las Vegas over the weekend. “Rachel was in a really good mood,” a source told RadarOnline.com. “She was super sweet with her friend the bride-to-be and stuck by her side throughout the day and night.”

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Bilson and her group of long-time friends (some even went back to high school!) took over a cabana at TAO Beach on Saturday, drinking Hpnotiq cocktails and checking out the bachelorette goodie bag. “Rachel didn’t pay attention to any guys,” the source added.

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However, the actress did kick up her heels. After hitting LAVO for dinner, the ladies headed to VIP table at TAO Nightclub. “She was definitely dancing and drinking, laughing a lot,” the source said. The party danced until the wee hours of the morning, even sporting blue Hpnotiq boas and tiaras.

“Rachel didn't show any signs of being broken hearted!”

Vienna Girardi isn’t jumping into a rebound relationship just yet. Jake Pavelka’s ex hit Sin City over the weekend but opted for quality time with the girls over mingling with the hordes of single men.

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“Vienna blew off men for the weekend and spent the entire time partying with her best girlfriends,” a source told RadarOnline.com.

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On Saturday, Girardi was the main attraction at Hypnotiq’s “Single & Fabulous” party at TAO Beach in Las Vegas. She was joined by friends including Ashleigh Hunt, who also competed for Jake Pavelka on The Bachelor, Amber Lancaster from MTV's The Hard Times of RJ Berger, Miss Florida Rachel Todd and Jesse Csincsak, winner of the fourth season of The Bachelorette. She got a sweet treat when two shirtless TAO Beach studs carried in a Gimme Some Sugar cake made especially for Vienna.

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Later that night, the party continued at LAVO. After a hand-picked meal of Kobe meatballs, calamari, and penne ala vodka, Vienna took the mic and thanked the crowd for supporting Team Vienna. She even took photos with a bachelorette party dining at a nearby table and later offered free shots to all of the bachelorettes in the crowd.

“She had a great team of women all wearing sexy white ‘Team Vienna’ tank top,” the source added.

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Though there were some boys in her entourage (“Her friend Christine brought two boys with her, one from Seattle and one from LA and they were just friends,” the source said), Vienna had other things on her mind.

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“She didn’t talk to any guys the entire time,” the source added. “She is definitely not focused on men right now, she just wants to spend time with her girlfriends and dedicate time to her career.”

Vienna Girardi is definitely enjoying her post-Jake Pavelka lifestyle. Saturday she hosted Hpnotiq Celebrates Single & Fabulous at TAO Beach in Las Vegas, and RadarOnline.com found her enjoying every minute of it, especially when she showed off her "Team Vienna" tank top.

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With her engagement to The Bachelor star Jake now a distant memory, Vienna is in high demand on the party-hosting circuit. And she's no doubt looking for the next man of her dreams.

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On Friday, RadarOnline.com broke the news that right before she left for L.A. to shoot The Bachelor, Vienna asked her then-boyfriend Brian Lee Smith to marry her!

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