on trend

colloquial

(colloquial, fashion) Having characteristics which conform to current fashion trends.

Japanese Meaning

流行に合っている / トレンドに沿った / 最新のファッションに適合している

Her on trend outfit turned every head at the party.

彼女の流行を取り入れた服装はパーティーで注目を集めた。

Sense（1）

(colloquial, fashion) Having characteristics which conform to current fashion trends.

His fashion designs are very on trend.