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The Kardashians

Birthday Boy! Kardashians Hit Las Vegas to Celebrate Rob’s Birthday (PHOTOS)

It was a wild night in Vegas to celebrate Rob Kardashian Jr.'s birthday — but then, we wouldn't expect anything less from the Kardashian krew. Rob, Kim, Kris, Kendall, and Kylie kicked off the night over dinner, then the of-age set (no partying for you, Kendall and Kylie!) headed to 1 OAK to party the night away. But the evening wouldn't be complete without an over-the-top birthday cake to help Rob celebrate the big 2-5 in style!

Check out all the pictures from the big night below!

03.18.2012 / 02:17 AM EDT by Sam Lansky
Related: The Kardashians, Kendall Jenner, Kim Kardashian, Kylie Jenner, Kris Jenner

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