She arrived in Sin City via private jet, with her Louis Vuitton baggage in tow, but that was so 2011.

Kim Kardashian's wants a different sort of new year.

"I wanna be more simple in 2012," the reality queen tweeted.

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The Keeping Up with the Kardashians star did show a bit of that resolution on the red carpet for Tao Nightclub Saturday night.

Hosting the hot club's New Year's Eve bash, Kim wore a relatively low-key white mini dress, and topped it off with a new 'do. Her jet black hair was long and straight with bangs.

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She also wore simple silver bangle bracelets.

Kim's arm candy from the previous NYE, Kris Humphries, seems almost a distant memory. Except for that pesky divorce, of course.

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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!”