HEAT grill, setting all burners on low to medium-low (about 400°F).
REMOVE wrapper and cardboard from frozen pizza. Place pizza directly on center of grill rack; close lid.
GRILL 13 min., rotating pizza 1/2 turn with spatula after 8 min. Continue grilling, covered, for specified time or until cheese is melted and crust is golden brown. Let stand 2 to 3 min. before serving.