Scott Disick celebrated his sons’ birthday with a mini Mercedes G-Wagon-style vehicle, as his 15-year old, Mason, and 10-year-old, Reign, both had birthdays on Saturday. While it’s unclear whether Mason or Reign received the luxury gift, Scott posted the moment on Instagram with heartfelt wishes. Scott shares Mason, Reign and daughter Penelope with ex Kourtney Kardashian, who shared a series of throwback pictures on Instagram, celebrating her ‘birthday boys.’