Madonna has thanked her “incredibly talented” children for joining her on her massive ‘Celebration’ tour.The legendary pop icon took to her official Instagram account to share a message to her kids. She thanked her son David and daughters Mercy, Stella and Estere for being her support system and co-performers throughout her ongoing tour.“On the day before our 80th show of the Celebration Tour I need to acknowledge my incredibly talented children who carried me through this Journey each of them bringing their own unique talent to the stage,” began the caption of her post.A post shared by Madonna (@madonna)She continued: “Rehearsals began over a year ago with almost a 2 month break waiting for me recover from a near death experience.