Carefully peel back corn husks to within 1 in. of bottoms; remove silk. Rewrap corn in husks; secure with kitchen string. Place in a stockpot; cover with cold water. Soak 20 minutes; drain., Meanwhile, in a small bowl, mix butter and lemon pepper. Grill corn, covered, over medium heat 20-25 minutes or until tender, turning often., Cut string and peel back husks. Serve corn with butter mixture.