Among the most popular and acclaimed artists in postmillennial contemporary music, Rihanna is also uncommonly dynamic, having mixed and matched pure pop, dancehall, R&B, EDM, and adult contemporary material throughout her career. She went supernova in 2005 with her boisterous debut single, "Pon de Replay," a worldwide hit, and was a near-constant presence in the upper reaches of global pop charts until she took a break from releasing music in the late 2010s. Through 2017, the native Barbadian headlined 11 number one hits, including "Umbrella" and "Only Girl (In the World)," si...