Chappell Roan has become one of the biggest breakout pop stars of the past year, and made it happen in novel fashion: creating grand-scale, 1980s-influenced pop refracted through a queer lens; building a drag-inspired performance character; and calling into question the way that fans worship their heroes while rapidly accumulating fans online and in real life.

Her debut album, “The Rise and Fall of a Midwest Princess,” continues its rise toward the top of the album chart, more than a year after its release. And her festival performances have become wildly viral events. Roan’s ascent has tested the boundaries of contemporary pop, and also may create a template for a next generation of stars.

On this week’s Popcast, a conversation about the fits and starts of Roan’s early career, the events that propelled her to fame and the ways in which she is remaking the star-fan dynamic.