noun
face reveal; having one's face seen
Colloquial term, often used online or in entertainment contexts when someone's previously hidden face becomes known or is shown publicly.
See also: ばれる
人気配信者がついに顔バレした。
The popular streamer finally had their face revealed.
顔バレを防ぐためにマスクを着けている。
I wear a mask to prevent my face from being seen.