stylish — characterized by or conforming to style or the fashionable standard; fashionably elegant; smart or chic: She wore a very stylish gown to the inaugural ball.
fashionably — observant of or conforming to the fashion; stylish: a fashionable young woman.
trendiness — of, in, or pertaining to the latest trend or style.
dazzlingly — to overpower or dim the vision of by intense light: He was dazzled by the sudden sunlight.