Timothée Chalamet and Kylie Jenner might be going through another rough patch in their romance! Over the weekend, Kylie's mom, Kris Jenner, celebrated her 70th birthday with a party at Jeff Bezos' mansion in Beverly Hills. All of her celebrity friends attended, including Oprah, Adele, Mariah Carey, Beyoncé, Jay-Z, Justin Bieber, Hailey Bieber, Prince Harry, and Meghan Markle. And, of course, all her kiddos and a few of their baby daddies, Travis Barker, Scott Disick, and Tristan Thompson, showed up.