Khloé Kardashian is expecting her first child, a daughter, with boyfriend Tristan Thompson. In December, the 33-year-old reality TV star posted an Instagram photo of Tristan rubbing her baby bump on Instagram. "My greatest dream realized! We are having a baby! I had been waiting and wondering but God had a plan all along. He knew what He was doing. I simply had to trust in Him and be patient," Khloé captioned it. "Tristan, thank you for loving me the way that you do! Thank you for treating me like a Queen! Thank you for making me feel beautiful at all stages! Tristan, most of all, Thank you for making me a MOMMY!!!" If you're still wondering who Tristan is, get to know him here in four quick facts.