THE secret to Bernadette Peters‘ exquisite, unwrinkled skin? At the 30th anniversary gala for the Skin Cancer Foundation at the Pierre, the Broadway star, 61, told the crowd: “I don’t know how to swim. So, I never spent any time on a beach. That’s the good news. The bad news is that if you are drowning, I cannot rescue you.” Photographer Bettina Cirone reports Peters got a big laugh from emcee Sam Champion, and honoree Dr. Dan Baker, who’s lifted enough high society faces to fill an opera house.