Khloé Kardashian shared a behind-the-scenes look at her son Tatum’s dinosaur-themed second birthday party on her Instagram Stories on July 28.

"Happy 40th Birthday Jason. You old dinosaur!" the icing reads. Sadly, several commenters did not think the cake would impress Jason.

Khloé Kardashian hosted an extravagant dinosaur-themed bash to celebrate her son Tatum's 2nd birthday alongside ex Tristan Thompson, mom Kris Jenner, sister Kim Kardashian and more guests.

Inside Saint West's Dinosaur-Themed 4th Birthday Party Kim Kardashian and Kanye West's eldest son Saint West and his siblings, cousins and friends enjoyed pretending to be dinosaurs for a day.

This Rustic Dinosaur Excavation Birthday Party Will Make Your Little Ones Roar in Delight. By Lauren Levy. Published on March 29, 2016 at 2:10 PM. Ashleigh Nicole Events Ashleigh Nicole Events.