After eagerly agreeing, the toddler was met with a waiting game that was harder than she could have ever expected. As awaited her mother’s return, Stormi intensely stared at the door before lunging forward to reach for the bowl, whispering, “Oooh! M&Ms.”

But despite a temporary moment of weakness, she persisted. And she further encouraged herself to be strong by singing, “Patience! Patience! Patience! Patience!“

When her mom finally returned, Stormi jumped up and down with pride before grabbing her sugary reward. And it seemed the only person more proud of her than herself was Kylie.

"Omg my BABYYY," the 27-year-old gushed in the caption. "I had to take part in this challenge."

For more of Kylie’s cutest moments with her kids, keep reading.