trend·y 
(trĕndē) Informal
(trĕndē) Informal adj. trend·i·er, trend·i·est
Of or in accord with the latest fad or fashion: trendy clothes. See Synonyms at fashionable.
n. pl. trend·ies
One who avidly follows the latest fads or trends: "International trendies have spread the word about the area's new nightclubs" (Lynn Langway).
trendi·ly adv.
trendi·ness n.