Does anyone else have the feeling that 2016 is about to be Fifth Harmony's breakout year? Over here at J-14, we've been fans for years, but they're really maturing into their true selves — and it's an amazing thing for us to witness. The group recently covered Billboard, and shared a more vulnerable side of themselves.

Camila Cabello, Dinah Jane Hansen, Normani Kordei, Lauren Jauregui, and Ally Brooke Hernandez each shared their most difficult moments of last year, and revealed some heartbreaking things about their struggle with anxiety, mental health issues, and watching their loved ones be buried on FaceTime while they're on the road.

Click through the gallery to read about Fifth Harmony's hardest moments of 2015. Let us know what you think about the heartbreaking things that they shared.

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