Zayn Malik was scheduled to perform at last night’s Summertime Ball festival in London, but ended up cancelling at the last second due to anxiety. The star explained his decision in a note he posted on Twitter, writing, “Unfortunately, my anxiety that has haunted me throughout the last few months around live performances has gotten the better of me…with the magnitude of the event, I have suffered the worst anxiety of my career.” Read the full note below.

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— zayn (@zaynmalik) June 11, 2016