Us Weekly exclusively revealed on Tuesday, September 26 that Kardashian, 33, and boyfriend Tristan Thompson are expecting their first child together. The Good American designer joked on the season 13 finale of KUWTK in June that Thompson, who she has been dating since September 2016, would like to have enough children to start his own basketball team. “He wants to have, like, five or six kids with me, and that’s lovely,” she said of the Cleveland Cavaliers center. “We could start at one and then grow from there. But now, knowing I’m not on birth control, it’s really scary. It’s a really big step.