A mix of traditional and audacious on the Grammy red carpet Watch Sam Smith and Kim Petras "Unholy" Grammys Performance Sam Smith's bold style evolution: 11 of their most daring looks, from the Unholy singer's high heels and devil red Grammys Valentino ensemble, to that inflatable latex Harri look at the Brit Awards Men Prom Dress Shoe Etsy Sam Smith puts on a show stopping performance in a red velour gown as they take to the stage at The BBC Proms after bosses hit back at concerns the show would Sequined A line prom dress (left) by Roberta in dazzling red ($104.00) worn with black strap shoes by Kenneth Cole ($86.00); braided back highlights an emerald green Jessica McClintock gown ($92.00) worn with