Kim Kardashian celebrated her 31st birthday yesterday with a day full of fun and a special evening with family and friends.
She held a Happy Birthday balloon as she made her way around New York City during the day, and headed to the American Museum of Natural History with sister Kourtney and nephew Mason.
Then the adults came out to play at night, with a party held at The Darby.
Kim arrived with hubby Kris Humphries and the couple looked happy together, despite reports this week that their relationship is on the rocks.
Pink and Carey Hart also came out for the bash, as did Kim's sis Kourtney and her man Scott Disick.
Kim's BFF La La Anthony sang the Stevie Wonder version of Happy Birthday! and Kim and Kris shared a dance, as well as plenty of kisses.
Click through to see pictures from Kim's special day...
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