[go|fall] out of (fashion|style)

to become outdated and no longer liked or supported

Bell-bottom pants fell out of fashion in the 1980s but have recently made a comeback.
That hairstyle went out of fashion years ago; you should consider trying something more current.
The neon colors that were popular last season have already gone out of style.
Traditional wedding dresses are timeless and never go out of fashion, unlike trendy alternatives.
The bulky cellphones from the early 2000s have completely gone out of fashion with the rise of slim and sleek smartphones.