PHOTOS: Kardashians Unite To Celebrate Baby Mason's Birthday
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Jan. 5 2011, Published 12:48 p.m. ET
Kourtney Kardashian's adorable little son Mason recently turned one year old, and RadarOnline.com has the just-released photos of the birthday bash which featured the entire Kardashian brood.
The backyard party -- which featured a big cake shaped like a train, balloons, and even a petting zoo with goats and little piggies -- was held December 12 at the family's home in Calabasas, California.
Also on hand for the bash -- Mason's daddy Scott Disick, as well as proud aunties Kim and Khloe, as well as Kris and Bruce Jenner.
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