MKOLSEN031907_11a.jpgMKOLSEN031907_17.jpgAshley Olsen MKOLSEN031907_21.jpgMary Kate Olsen and sister Ashley ventured out for some groceries yesterday. I find it amazing that multimillionaires do their own shopping because frankly, I'm not that rich and I can hardly stand shoving my cart past all the plebs in the grocery store. But stranger still is the twins' choice of footwear -- one looks like a hooker, the other like a hobbit.