Plus-size model Ashley Graham collaborated with Mattel to create her own Barbie doll as part of the Sheroes Collection that also includes Gabby Douglas, Misty Copeland , and Ava DuVernay . Graham's Barbie features thick legs, thighs that touch, a rounded face, and a curvaceous body. She had also requested that the doll have cellulite, but the company told her that adding it would look more like a production mistake than a reflection of body authenticity. The doll was unveiled at the Glamour's Women of the Year Summit in Los Angeles on…