The 26-year-old pop star has been struck down by illness and won't be joining her bandmates for their Memorial da America Latina show in Sao Paulo on Sunday, March 08.
She took to her Instagram Story on Friday to break the news.
"Hey everyone, I'm so sorry to announce that I am unable to travel and perform in Brazil with the rest of the girls on Sunday due to being unwell," she wrote. "I'm heartbroken I can't be there with you, but I know the girls will absolutely smash their performance and give you everything in my absence."
The sickness that has grounded Perrie hasn't been disclosed.