This gym photo of Hilary Duff is going viral and everyone wants her workout routine(00)

This gym photo of Hilary Duff is going viral and everyone wants her workout routine(00)

Image gallery: Hilary Duff In Thong

This gym photo of Hilary Duff is going viral and everyone wants her workout routine Hilary Duff Hillary duff, Hilary duff, The duff Gillian Anderson finally explains her iconic exposed thong