The 26-year-old said her mind and emotions have been "fragile" and urged her 50 million social media followers to support each other.
She was admitted to hospital in March last year after experiencing "stroke-like symptoms" and later had surgery on a heart defect.
And this March her husband, pop star Justin Bieber, was forced to cancel the remaining dates on his world tour after developing Ramsay Hunt syndrome.
This is due to viral reactivation and is one of 60 causes of facial palsy.
Esta historia es de la edición April 20, 2023 de Evening Standard.
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Esta historia es de la edición April 20, 2023 de Evening Standard.
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