Hilary Duff has been stealing the spotlight with her hair and makeup recently, but can we give it up for her impeccable style? The star was spotted wearing a mighty expensive pair of ballet flats from a high-end designer, and it instantly got our attention . . . so much so that we scoured high and low for an affordable alternative that happened to be right on Amazon. While lounging by the water, the singer was seen wearing a silky satin midi dress with those designer ballet flats from Miu Miu. The exact style retails for a cool $1,050, which is out of our price range, however, these $32 MaxMux...