Khloé Kardashian and Tristan Thompson showed off their co-parenting skills by taking the kids to a Despicable Me 4 event. The former couple appeared to have their daughter, True Thompson, 6, the NBA pro’s son, Prince Thompson, 7, and cousins Dream Kardashian, 7, Psalm West, 5, and Saint West, 8, in tow as they colored, bounced and met the minions! “We are about to see Despicable Me 4. Look how cute,” Kardashian said in a video shared to her Snapchat. “Oh my gosh. I’m so excited. Look at all this stuff!” Later in the clip, she showed Saint painting a picture, as well as a table full of deliciou…