Yes it’s true, and the group even released an official statement on the matter.
Camila Cabello has left the group after 4 and a half years. They even played a show together, the 5 of them, just hours before she left. No reason was given, but the 4 remaining members wished her the best, and went on to say that the 4 of them, Ally, Normani, Dinah, and Lauren, will all continue on as Fifth Harmony, and that they’ll also be working on some solo projects, much in the same way Camila has.
According to the note released by the group, Camila made the decision to leave, and had her representatives deliver the message:
Check here for more on the story.
Camila has already been removed from the Twitter page, Wikipedia page, and other mentions in the group members’ names on social media.