“I can’t be dizzy carrying banjos, guitars, and such on five-inch heels” Dolly Parton, Photo by Jason Kempin/Getty Images Dolly Parton has scrapped her upcoming six-date Las Vegas residency due to ongoing health issues. The 80-year-old singer-songwriter was originally set to perform at Caesar’s Palace in December 2025 before she postponed those shows (also due to health issues) to September 2026. Now, she’s shared on Instagram that she won’t make the new dates either. Parton notes that in recent years she has struggled with her immune and digestive systems. Thankfully, she claims to be responding well to treatment, explaining that her doctors have assured her that “everything I have is treatable, so I’m going to stick with that.” But the medication she takes makes her “swimmy-headed,” making it difficult to perform on stage. “Of course I can’t be dizzy carrying banjos, guitars, and such on five-inch heels,” she explains.…