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1Penelope Disick
Kourtney Kardashian's oldest daughter had an adorable fifth birthday party, complete with giant balloons.
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2Ace Johnson
Jessica Simpson went all out for her son's Moana-themed fourth birthday party.
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3Haven Warren
Jessica Alba's daughter had a watermelon-themed fifth birthday.
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4Suri Cruise
Katie Holmes brought in a mountain of cupcakes to celebrate Suri's tenth birthday.
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5Preston and Jayden Federline
Britney Spears' sons, whose birthdays are just two days apart, had a joint Pokemon party for their 11th and 10th birthdays respectively.
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6North West
Kim Kardashian and Kanye West's daughter got the full princess treatment at Disneyland for her third birthday.
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7Luna Stephens
John Legend and Chrissy Teigen celebrated their daughter, Luna's, first birthday with an adorable party and even more adorable cake.
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8Blue Ivy
Beyoncé and Jay Z's oldest daughter had the ultimate fairy-themed birthday part when she turned four, because of course she did.
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