The “Sultan of Sequins” remembered the “Backwoods Barbie” with a touching tribute Tuesday. Costume designer Bob Mackie shared his memories of Dolly Parton on social media following news of the country legend’s death at age 80, reflecting on the decades he spent crafting sparkling stage looks for the star. “Dolly was a lovely soul and spirit who was fair to everyone,” he wrote on Instagram. “She was a joy and pleasure to dress.” Mackie, 86, was a go-to of Parton’s from early in her career, dreaming up embellished ensembles that helped shape her larger-than-life stage persona. Among his most memorable creations for the singer: the winged…