fashion plate

Noun

fashion plate (plural fashion plates)

1. A picture, usually a full-page advertisement, showing the latest fashion in clothing.
   • By turning the skirt and adding a ruffle of rhyme you would hardly recognize it as vers de societe with neatly shod feet and a fashion-plate illustration.1917, O. Henry [pseudonym; William Sydney Porter], “Confessions of a Humorist”, in Waifs and Strays
   • He was a pure man of letters, untimely born in a world that had no need of letters; […] he had abandoned his real calling, and taken a sub-editorial job on a women's weekly, where fashion-plates and paper patterns alternated with New England love-stories and advertisements of temperance drinks.1920, Edith Wharton, The Age of Innocence, New York, N.Y.; London: D[aniel] Appleton and Company, →OCLC
2. (broadly) A person who dresses in especially stylish fashions.
   • I'm no fashion plate, and don't dress to impress.
   • “I told you they dressed me up, but I didn’t tell you that they powdered and squeezed and frizzled, and made me look like a fashion-plate. […]”1868, Louisa M[ay] Alcott, chapter 9, in Little Women: […], 1st part, Boston, Mass.: Roberts Brothers, published 1869, →OCLC