Justin Bieber had his “One Less Lonely Girl.” Charli XCX has her designated “Apple” dancer. Sabrina Carpenter has her fuzzy pink handcuffs. And now, the viral pop-concert trend filling everyone’s TikTok feeds is Role Model’s Sallies. Since his hit song “Sally, When The Wine Runs Out” dropped in February, Role Model — a.k.a. 28-year-old musician Tucker Pillsbury — has been inviting one lucky attendee onstage at each show to dance as that night’s titular Sally. If you’ve seen someone in cowboy boots bopping around on a stage in the past few months, chances are it was at a Role Model concert.

At first, the honor typically went to fans plucked straight from the crowd. But as the concert moment — and Role Model himself — started blowing up, the Sallies have become more varied, and also a lot m

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