He sank to less than 100lbs just two months ago after treatment for throat cancer. But a shirtless Michael Douglas looks close to his bouyant best after docs put him on a weight-gain diet. The Wall Street star, 66, went body-boarding in Hawaii with Welsh actress wife Catherine Zeta-Jones, 41, and their two children. He has had chemotherapy after revealing in August he had a walnut-sized tumour at the base of his tongue. While the swell was nothing to write home about the fan club on the beach made it worthwhile to get wet.