Travis Scott and Kylie Jenner know how to throw a party ... and their kids' joint birthday celebration was nothing short of epic. Videos shared on social media show Kylie and Travis singing "Happy Birthday" to Stormi , who turned 8, and Aire , who is turning 4, inside a massive event space transformed into a desert-themed wonderland. The elaborate setup featured towering faux mountains, oversized rocks, and palm trees lining the space, creating a cinematic backdrop for the celebration. And that