O'Grady, who rose to fame on the nightclub circuit as the acerbic, platinum wig-wearing Lily Savage, died "unexpectedly but peacefully" on Tuesday evening (March 28).
In the statement issued in the early hours of Wednesday morning (March 29), Mr Portasio said: "It is with great sadness that I inform you that Paul has passed away unexpectedly but peacefully yesterday evening.
We ask, at this difficult time, that whilst you celebrate his life you also respect our privacy as we come to terms with this loss. "Tributes have since been pouring in for the much-loved entertainer from his celebrity pals and fans alike after O'Grady 'died in his own bed' with his husband by his side, one of his close friends told Good Morning Britain.
Avengers star Linda Thorson told the programme that she had been speaking to her friend at 3pm on Tuesday, hours before his death. READ MORE: Paddy McGuinness details hidden battle after Christine spotted signs as she discusses living arrangements after split"I can’t believe it.
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