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