Who is that? It's time to answer The Masked Singer's favorite question as a new group of celebs go incognito to belt out tunes and leave us guessing on season 9.

The new season, which premiered Feb. 15 on Fox, already revealed some heavy hitters as Mustang, Gnome, and Medusa took the stage, with only the latter moving on to week 2's ABBA night against Night Owl and Rock Lobster. Read on as we keep track of which singers are eliminated each episode and the famous faces hiding under the masks.