Superfans of Chappell Roan lined up early Sunday ... "In Chappell's song 'Red Wine Supernova,' she says 'mini skirt and my go-go boots,' so I had to wear my mini skirt and my go-go boots ...

But Missouri-born superstar Chappell Roan even had some of her diehard ... white mesh shrug and a billowing ruffled skirt. Chappell's long, flaming red curls were swept up in a messy bun as ...