Hot Pics! DWTS Stars Celebrate Summer Partying in Vegas (PHOTOS)

Summer party season is in full swing, and a big gang of DWTS stars were in Las Vegas over the weekend, celebrating Maria Menounos and Katherine Jenkins' joint birthday celebration at a string of Las Vegas hotspots including Surrender Nightclub, LAVO, and Tao Asian Bistro. The things that these toned DWTS celebs will have to do to burn off all those cake calories? We don't want to think about it!

Check out these party pics now! 

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