Cabello was due to meet with fans in Philadelphia, Pennsylvania when she was taken ill, but still planned to make it to the event, tweeting, "Im Sorry If Im A Little Quiet At The Meet And Greet Today I Dont Feel Very Well".
However, Cabello's condition worsened and she was taken to the hospital.
She later added, "Philly Meet N Greet. im currently in the hospital cause we wanna make sure it's nothing serious and i feel terrible please forgive me."
Cabello later added a video from her hospital bed and updated fans on her condition, writing, "thank you so much for all the love i (sic) saw all the trends and i love you all so much, i feel so much better and the girls killed it tonight".
It is unclear what the singer was suffering from.