Toni Braxton is celebrating the recent success of her youngest son, Diezel. The 18-year-old recently graduated from high school and will be attending Howard University in the fall. Braxton would post a photo of her and her two boys on her Instagram page with the caption that reads, “Congratulations @diezel.Braxton! Mom is so proud of you. Howard University here he comes!"https://www.instagram.com/p/CPv__7NMngB/?utm_source=ig_web_copy_linkCongratulations Diezel!