"Lots of healing to go and one more surgery to make these cousins look more like sisters. But for now it's gratitude time," said the singer, who revealed her breast cancer diagnosis in June

In the clip, Jessie taught her son how to say, “Mommy’s gonna be okay,” which he sweetly repeated. “And…I AM OK Results = I have NO cancer spread 😭😭😭 Happy tears are real 😭😭😭😭😭😭,” the “Price Tag” artist wrote in her caption. “Thank YOU for the prayers, the love, the well wishes, the joy and all the positive energy. 🥹🫀= 🔋🔋🔋🔋🔋🔋🔋🔋.”