Jessica Simpson went all out for son Ace's third birthday party!
The 35-year-old hosted a dinosaur-themed bash for the toddler, complete with a volcano-shaped cake.
"Ace turns 3 and I feel prehistoric!" the fashion mogul captioned one shot from the event, adding, "Happy Birthday dinosaur! You complete me."
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Jess also posted a rare family photo on Instagram that included daughter Maxwell, 4, and hubby Eric Johnson, 36.
This clan is pretty picture perfect! Scroll through the gallery below to see more of Hollywood's cutest kids.
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Shakira's sons, Milan and Sasha.
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Hayden Panettiere and Wladimir Klitschko's daughter, Kaya.
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Rachel Zoe's sons, Skyler and Kaius.
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Sarah Jessica Parker's twin daughters, Marion and Tabitha.
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Beyoncé and Jay Z's daughter, Blue Ivy.
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Drew Barrymore's daughters, Frankie and Olive.
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JWoww's daughter, Meilani, and son, Greyson.
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Michael Phelps' son Boomer
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Ashlee Simpson and Evan Ross' daughter Jagger Snow
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Chris Hemsworth and Elsa Pataky's son and daughter.
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Tamera Mowry's son, Aden.
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Mariah Carey and Nick Cannon's twins, Moroccan and Monroe.
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Olivia Wilde's son, Otis.
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Hilaria and Alec Baldwin's daughter, Carmen.
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Mario Lopez's son, Dominic.
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Tamera Mowry's daughter, Ariah.
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Jessie James Decker's son, Eric.
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Melissa Joan Hart's son, Tucker.
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Naya Rivera's son, Josey Hollis.
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Haylie Duff's daughter, Ryan.
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Tila Tequila's daughter, Isabella.
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Stephen 'tWitch' Boss and Allison Holker's son, Maddox.
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Jessica Simpson's son, Ace.
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Jessica Biel and Justin Timberlake's son, Silas.
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Vin Diesel's daughter, Pauline.
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Jana Kramer's daughter, Jolie.
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Seth Meyers' son, Ashe Olsen.
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Karen O and husband Barnaby Clay's son.
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Emily Maynard's son, Jennings.
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Chontel Duncan's son, Jeremiah.
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Kelly Clarkson's daughter River Rose
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