With musical careers spanning several decades, numerous Grammy Awards, accolades, and record-breaking achievements, pop divas Céline Dion and Cher have both maintained mass appeal in the face of a perpetually youthful pop music industry and the deeply misogynist logics of ageism. Crucially, Las Vegas has been key to their continued appeal, as the singers have held successive Vegas concert “residencies” during the latter half of their careers. With its roots in the mythology of the American West as a land of opportunity, Vegas has long served as a nostalgic space where headliners perform their greatest hits night after night in...