Trendy

Adjective

 * 1)  of, or in accordance with the latest trend, fashion or hype

Noun

 * 1)  a trendy person

Thesaurus
current, exhibitionist, fashionable, flash, grandstander, groovy, hip, hot, in, in fashion, in style, in vogue, mod, modern, modish, new, newfashioned, now, popular, prevalent, show-off, smart, stylish, swank, swish, tony, ultramodern, up-to-date, up-to-datish, up-to-the-minute, voguish, with it, with-it, a la mode, all the rage, all the thing, coxcomb,

Synonyms

 * superficial, shallow, materialistic
 * mistakenly fashionable, à la mode, with-it, voguish, avant-garde

Adjective

 * French: branché (for person, clothes, restaurant, ideas), à la mode (for opinions, behaviour, religion)