Alessandra Ambrosio knows a thing or two about making temperatures soar. On Sunday, the supermodel hit the beach near her Santa Monica, Calif., home and enjoyed breaking a sweat with some volleyball For the occasion, the Victoria’s Secret icon rocked a skimpy neon-green bikini with a daring center cutout that accentuated her ripped abs and lean, runway-ready legs.The 40-year-old completed the look with a sky-hued tie-dye baseball cap, tousled beach tresses and mirror sunglasses.