VIDEO : A Source Says Kylie Jenner Is ?Beyond Elated? After Stormi?s Birth

Mom and baby are doing well! Kylie Jenner is happier than ever after welcoming newborn daughter Stormi into the world. ?Kylie is beyond elated. She is so thrilled and didn?t ever think something like this could bring her this much joy,? a source exclusively tells Us Weekly of the makeup maven, 20, who welcomed her firstborn with boyfriend Travis Scott on Thursday, February 1. The Life of Kylie star, who revealed her daughter?s name on Tuesday, February 6, kept her pregnancy under wraps. My pregnancy was one I chose not to do in front of the world,? the social media mogul wrote in a message to her fans via Twitter and Instagram on Sunday, February 4.