Summer is wrapping up, which means it's back-to-school season. Celebrity kids are out here showing off their mini-me's on the first day back. Tristan Thompson joined in, giving folks a peek at school drop-off and quality time with his son Prince Oliver.RELATED: Family Vibes! Tristan Thompson & Khloé Kardashian Come Together For Tatum & Amari Thompson's Birthday (PHOTOS)Tristan Thompson Shares Adorable Back-To-School Moment With His Son Prince OliverThe basketball player hopped on social media with a video of his early morning school drop-off run with his eldest son, Prince Oliver, who he shar...