Chappell, please drop that country anthem of yours ASAP! Performing on Saturday Night Live as a musical guest is a significant career boon, but it isn't easy. The SNL spotlight can turn singers into stars, like Adele ; however, it can also cause major career road bumps for others, as it arguably did for Lana Del Rey and Ashlee Simpson. This is relevant as, over the weekend, Chappell Roan made her SNL debut in a much-talked-about episode hosted by John Mulaney , with a guest appearance by Vice