Kourtney Kardashian's oldest daughter had an adorable fifth birthday party, complete with giant balloons. Photo: Instagram
Jessica Simpson went all out for her son's Moana-themed fourth birthday party.
Photo: Instagram
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Jessica Alba's daughter had a watermelon-themed fifth birthday. Photo: Instagram
Katie Holmes brought in a mountain of cupcakes to celebrate Suri's tenth birthday. Photo: Instagram
Britney Spears' sons, whose birthdays are just two days apart, had a joint Pokemon party for their 11th and 10th birthdays respectively.
Photo: Instagram
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Kim Kardashian and Kanye West's daughter got the full princess treatment at Disneyland for her third birthday. Photo: Instagram
John Legend and Chrissy Teigen celebrated their daughter, Luna's, first birthday with an adorable party and even more adorable cake. Photo: Instagram
Beyoncé and Jay Z's oldest daughter had the ultimate fairy-themed birthday part when she turned four, because of course she did.
From: Beyonce.com
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From: Harper's BAZAAR US