Kylie Jenner Shows Off Stormi, Announces Makeup Line with Kourtney Kardashian Jenner shared an adorable Snapchat video of 10-week-old daughter Stormi on Wednesday. Show video Aside from tending to baby Stormi, she also surprised fans with news of a makeup line collaboration with Kardashian named KOURT X KYLIE. Instagram post Instagram post Quote: This collection gives me so much lifeeeee! 3 mini palettes & 3 of Kourtney’s signature lippies launching 4/24! The girls will launch the KOURT X KYLIE line on April 24.