Hollywood legend Dick Van Dyke has revealed he still goes to the gym three times a week at the age of 99. The acting icon said the secret to him staying so youthful as he approaches his centenary is keeping to his strict regime of regular workouts. And, his famous all-singing and all-dancing act still shines through at the gym because he 'literally' dances between weight machines instead of walking. The Mary Poppins and Chitty Chitty Bang Bang star likes to workout for an hour, then swim laps