boss black dress shirt Regular-fit in stretch-cotton pique, Men, Size: L, Spread Collar BOSS Easy-iron Slim-fit shirt in

Features: Ruffled Layers, High Leg Slit, Bright Yellow Color

Though the 23-year-old hitmaker would be ditching the dress for another, more performance-friendly look before taking the stage with Alison Krauss , Vince Gill and others during the show, she was dressed just as a guest of honor should be to kick things off

Pick collared, long-sleeved, button-down shirts, and always wear them tucked in

The fabric features an ombre effect, subtly transitioning from a dark shade at the top to a brighter red tone near the hem

Manufacturers often work from a chart where each collar size corresponds to an expected body size, but arm lengths vary from person to person