UPDATE: Fifth Harmony released another lengthy statement about Cabello, giving a detailed timeline of how her exit came to be.
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Camila Cabello posted a lengthy statement Monday in which the singer expressed "shock" over Fifth Harmony's announcement of her exit.
News of Cabello's decision to leave Fifth Harmony went viral after the group's official social media published the announcement Sunday night.
In the shocking statement -- posted just after the group performed all together at Y100's Jingle Ball 2016 -- Fifth Harmony said they were informed of Cabello's decision through "her representatives."
Cabello fired back Monday in her own statement saying: "I was shocked to read the statement Fifth Harmony posted without my knowing. The girls were aware of my feelings through the long, much needed conversations about the future we had during tour. Saying that they were informed through my representatives that I was 'leaving the group' is simply not true."
Read Fifth Harmony's complete statement below that first broke the news:
After 4 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.
You Harmonizers have been there with us since the beginning, you've supported us, and with your love and support, we will continue on. That being said, we are excited to announce that we will be moving forward with the four of us — Ally Brooke, Normani Kordei, Dinah Jane, and Lauren Jauregui — for our fans. We are four strong, committed women who will continue with Fifth Harmony as well as our solo endeavors.
We are excited for our future, and we can't wait for what the new year brings.
Harmonizers, we are in this together. We love you with all of our heart.
Like One Direction, Fifth Harmony turned out to be another brilliant brainchild of music producer and famed "Idol" and "X-Factor" judge Simon Cowell. He put the group together during the second season of Fox's US edition of "The X Factor" in 2012.
Fifth Harmony's hits include "Work from Home," "Miss Movin' On" and "Worth It."
Cabello solo projects while still a member of Fifth Harmony include a duet with Shawn Mendes, "I Know What You Did Last Summer," and Machine Gun Kelly, "Bad Things."