Well, it's official. Camila Cabello has departed from Fifth Harmony. After four years together, the girl group may have to change their name to accommodate their four-member status. Announced via Fifth Harmony's Instagram, the band published an official notice of Camila Cabello's departure from the band. Here's an excerpt of the note:

"After four and a half years of being together, we have been informed via her representatives that Camila has decided to leave Fifth Harmony. We wish her well.."

There were some clues leading up to Camila's official departure notice. For one, she had been doing quite a bit on her own. Recently featured as a solo artist on MGK's "Bad Things," the two stars recently rocked the "Tonight Show With Jimmy Fallon" with their new track.

Social media has been predictably set ablaze by the news, many comparing Camila's departure to that of Zayn from One Direction. Check out some of the notable reactions below.