The KUTWK star was spotted partying with Justin Bieber and left the nightclub with rapper A$AP Rocky.br Kylie Jenner hints her and Tyga are back together ALREADY with cosy Snapchat pic The reality star shared a pic of her cosying up to the rapper on the app .br Kylie Jenner hints her and Tyga are back together ALREADY with cosy Snapchat pic The reality star shared a pic of her cosying up to the rapper on the app .br Inside Kylie Jenners 18th birthday party: A list guests, Ferrari gifts, blinged out dresses and one love rival How the most famous teenager on the planet .