Kylie Jenner is 28! The reality star and beauty brand founder celebrated her August 10 birthday one day early with her nearest and dearest on Saturday, August 9. Jenner shared a series of photos and video from a painting party held with several friends via Instagram the same day. The big day didn't go unnoticed by her mother, Kris Jenner, who shared a series of photos featuring Kylie, her sister Kendall Jenner and herself via Instagram.