Barbie has just introduced the Stevie Nicks doll, which harks back to Nicks’ early days with Fleetwood Mac. The preorders sold out in a flash. Nicks said on X: “When Mattel came to me asking if I would like to have a Barbie made in the ‘Rumours’ cover style, I was very overwhelmed. Of course, I questioned ‘would she look like me? Would she have my spirit? Would she have my heart?” Nicks’ fears were put to rest upon seeing it…