Fifth Harmony has broadcasted that singer Camila Cabello has left the group. In a message posted on social media and signed by "Ally, Normani, Dinah and Lauren," the group writes, "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."

The lingering members, Ally Brooke, Normani Kordei, Dinah Jane Hansen and Lauren Jauregui, state that they will endure as a group of four.

As recently as December 9, when the iHeartRadio Jingle Ball tour hit New York City, the group had announced plans to release their new album. Kordei told radio personality Elvis Duran, "2017, it's going to be popping" and Jane Hansen added, "The third album is definitely going to be so lit. We're really excited."

After forming on the second season of the American version of The X Factor in 2012, Fifth Harmony released two albums beginning with Reflection in January 2015. That album included "Worth It," their first Top 20 hit on the Billboard Hot 100 chart last summer; the quintet would surpass that milestone with "Work From Home" feat. Ty Dolla $ign, the lead single to sophomore LP 7/27, which peaked at No. 4 on the Hot 100.

Girls Might Want To Do Solo However With Contract Bonds Them Not To

Although other members had expressed interest in solo careers -- Jauregui released a partnership with pop duo Marian Hill earlier this month -- Fifth Harmony had long guaranteed fans that a breakup or member parting was not imminent.

But insiders suggest that there are some tensions between Cabello and the other group members had long been rotting. In fact, December 18, the day the split was announced, marked the conclusion of Cabello's contractual commitments to the group and offered an exit, says a source.

Are you shocked when Camila leaving the group or did you see this coming? Leave us comments below!