Fashion plate

From Fresh Dictionary

English

Noun

fashion plate

1. A picture, usually an advertisement, showing the lastest fashion in clothes.
2. ((idiomatic{{#if:|, {{{2}}}{{#if:|, {{{3}}}{{#if:|, {{{4}}}{{#if:|, {{{5}}}{{#if:|, {{{6}}}{{#if:|, {{{7}}}{{#if:|, {{{8}}}{{#if:|, {{{9}}}}}}}}}}}}}}}}}}})) A person who dresses in the most stylish fashions.