John Legend has praised Blake Shelton as the “heart and soul” of ‘The Voice’. The ‘Ordinary People’ hitmaker has enjoyed working alongside the country singer on the talent show and thinks his pal will be hugely missed when he stands down from the panel of coaches after season 23. He said: “Well, you know, he’s been doing the show for 22 seasons, it’ll be 23 when he’s done, and you can’t do something forever. “We’re gonna miss him though. He’s been the heart and soul and anchor of the show for a long time, and he’s a friend of mine, and I really enjoy working with him. “We’re all gonna miss him…