>> Although Sasha Pivovarova only walked in one show â€" Anna Sui â€" last week, she had another, more personal show on her mind.  On Friday, Sasha hosted "I Spy" in New York, her first ever photography and drawing exhibition.  Her artwork has been published in Vogue, Teen Vogue, and Vogue Paris before, and she works with mediums as farfetched as wine and coffee.  Yes, that's right, models do have lives other than getting their hair, nails, and makeup done ...