Kylie Jenner, despite being in one of the most famous TV families, is notoriously private about her personal life. In her April 2018 cover story for Vogue, the model refused to comment on her relationship with Detroit Pistons player, Blake Griffin. She did however say she was “visiting a friend” in Michigan. The phone interview took place the day after Valentine’s Day. The Keeping Up With The Kardashians star and Blake first began hooking up in September.