Andy Roddick may be hot, but he doesn't have a lot to say. When the hunky tennis star showed up at Tenjune to celebrate his Hamptons magazine cover last week, he was unexpectedly asked to say a few words to the waiting crowd. Roddick lamely offered, "My mom always told me to have a joke ready, but I didn't take her advice." He appeased guests by signing his pretty picture on the cover of the glossy.