► 名詞流行り  [はやり]    
meaning:  fashion  rank: 1☆ このところ
髭を
伸ばすのが流行りだ ⇨ It is popular to grow beard nowadays
流行り  [はやり]    
meaning:  popular  rank: 1☆ 
今流行りの
歌 ⇨ Currently popular songs
More examples:- ファッションには流行り廃りがある ⇨ Fashion comes and goes. There are ebbs and flows