Khloé Kardashian and Tristan Thompson's daughter True is all grown up and ready for second grade! Kardashian, 41, shared a series of photos and videos via Instagram celebrating the first day of school for True, 7, on Friday, September 5. "Just like that, my baby is off to 2nd grade. Time is flying faster than I ever imagined - it feels like I blinked and my baby grew up," she wrote at the time. "I'm so proud of the respectful, sweet, loving, smart, beautiful girl she is. But man this all happens so quickly. In a blink .