They're sensible, they're white, they're a nice cotton/poly blend. They're granny panties, the high-waisted nightmares favored by nanas in support hose. But put these giant undies on a hot, topless celeb, and you've got something very naughty and very sexy. Just ask Jessica Alba, Kate Beckinsale, and the rest of our top 10 nude celebs in granny panties!