Family reunion alert! It's not every day we get to see the next generation of Spears kids all together, but when we do, you know it's going to cause a buzz! On Wednesday, Jamie Lynn Spears' eldest daughter Maddie shared a heartwarming (and, let's be real, super rare) photo featuring her cousins Sean Preston and Jayden James - aka Britney Spears' sons! The reunion took place during Maddie's high school softball game senior night.