Jessica Simpson and husband Eric Johnson are doting parents to children Maxwell, Ace and Birdie, and they have been having the best time with them over the festive season!MORE: Jessica Simpson's husband shares 'awkward' message to his familyOver the weekend, Eric shared a sweet video of his kids having fun playing the drums, and fans were incredibly impressed with their abilities! "They are naturals," one wrote, while another commented: "They sound amazing!" A third added: "Birdie aint playing