Khloe Kardashian is celebrating another milestone birthday! The Good American mogul turned 37 on June 27, and her big sis Kim Kardashian paid tribute to her with a sweet Instagram post. “OMG @khloekardashian Happy Birthday! You seriously are the most amazing magical person I know! You have the biggest heart and you take care of everyone around you,” Kim wrote in her caption. “You are the best mom and friend to the small circle you keep! You are such a light in my life and everyone around you!”