Cardi B has opened up about "fighting" for her life because of some major health issues.

Taking to her Instagram account on Sunday, the Bongos songstress shared a video, unveiling that she is facing some unknown battles.

In the video, Cardi B can be seen confessing that she's feeling very sick since three days, especially after arriving in Miami for a performance.

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As the video progresses, the 31-year-old singer captures expressing serious concerns about her health, mentioning a tight chest and three days of struggling.

Cradi B also jokes about being "allergic to Florida," and reveals that the moment she reached for the performance, she had "a little cough."

The video showcases Cardi B wearing a surgical cap  and donned in a black tee.