Ashley Graham is one of the most well known plus size fashion models. She has over come great odds to get to where she is today, and has just reached a huge career milestone. Mario Testino has just photographed Graham for his iconic "Towel Series,". she is now first plus-size model to appear in the ongoing project. Graham took to instagram posting the photo that he shot and captioned it, " So honored to have #MarioTestino shoot me for his #towelseries 147!"