VIDEO : Kim Kardashian And North West Attend Birthday Party For Daughter Of Khadijah Haqq McCray

Kim Kardashian is ready to get the sillies out!
On Sunday afternoon, Kim joined North West and Penelope Disick to help celebrate the birthday of Khadijah Haqq McCray's daughter Celine.
While the kids were more than intrigued at the event themed after Yo Gabba Gabba, the moms also couldn't help but have some fun.
As North and Penelope posed with their gifts after a jam-packed party, Kim wrote on Snapchat, "Thrilled to Party."