Khloe, 34, said on her Instagram story that Dream, 2, wanted to throw Rob a party before she "goes to see her mommy" Blac Chyna.
Rob's birthday, March 17, happens to be the same day as St. Patrick's Day, so Dream planned a party that celebrated both.
Khloe shared images from the bash, which included a green and white birthday cake with "Happy Birthday Daddy" on it as well as several adorable shots of Dream having a blast while there.
She also posted two separate videos of Dream's cousins partying it up for Rob's party with Stevie Wonder's version of "Happy Birthday" playing in the background.
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The Good American founder later shared another story where she doted over her niece and said that she "picked out the decorations, created the invite list and everything."
Rob wasn't featured in any of Khloe's Instagram stories pertaining to his birthday party. She did mention that another bash is coming his way on his actual birthday this Sunday.
This may have been a kid's only party, as Rob's sisters Kim and Kourtney Kardashian looked like they didn't attend.
Kourtney, 39, posted an Instagram story of her making pancakes around the same time the party allegedly happened. Kim shared her own IG story that showed her doing leg day amid the celebration.
What are your thoughts on Dream's special gesture for her father? Sound off in the comments!