Sir Billy Connolly has heartbreakingly told Graham Norton that he has lost his ability to write due to his Parkinson's.
The 78-year-old comedy legend revealed that the disease makes his hands shake so much that his handwriting is illegible.
He told Norton: “I have lost the ability to write, and it breaks my heart as I used to love writing letters to people.
“My writing went down the swanny and is totally illegible, so I had to find a way to record everything, but then the recorder didn’t understand my accent so it kept collapsing and my family would have to sort it – it was a club effort!"
During the candid chat, Billy also opened up about his new autobiography, Windswept & Interesting.
“It’s the first time I’ve done this. Other people have written about me, or for me, but this time it’s just my own life in my own words.
“I didn’t know I was windswept and interesting until somebody told me.”
Explaining the title of the book, he said: “The rules of being ‘windswept and interesting’ are doing as you please and not taking lessons from anyone.”
Sir Billy gave an update about living with Parkinson’s and said he has “good days and bad days”.
“It’s creeping up on me and it never let’s go.
"I walk like a drunk man and have to have help. So, life is different, but it is good,” he told Graham.
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The other guests on the show include Doctor Who star Jodie Whittaker, Olympic diver Tom Daley, actress Dame Eileen Atkins, and comedian and writer Sir Lenny Henry, and a musical performance from Coldplay.
Whittaker, 39, said in July that she would be leaving the sci-fi drama after taking the reins of the Tardis in 2017 as the first ever female Doctor.
Whittaker said she does not know who the new Doctor is, and that scenes have been filmed but “the new Doctor wasn’t there”.
“I wasn’t there for Peter (Capaldi), and I only met him months later when I passed him in the street!” she revealed.
The Graham Norton Show airs on BBC One at 10.35pm on Friday and is also available on BBC iPlayer.