By Leah Abrahams
Oct 21, 2011 @ 10:15 am
Denise Truscello/WireImage

Happy 31st Birthday, Kim Kardashian! The reality star likes to celebrate her big occasions in a big way—hello, multi-million dollar wedding!—and her birthday bashes fall right in line with her over-the-top parties. That’s why we rounded up her most memorable birthday pics from the past. Click through the gallery to see them all! 

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