Sir Tom Jones has apologised to fans after pulling out of a huge concert in London's Hyde Park which as part of Olympic celebrations.
He was due to perform at Saturday's BT London Live show but was struck down by illness.
He posted on Twitter "Sadly I have contracted a chest infection w/bronchitis & due to doctors orders I've had 2 cancel tomorrows and Sundays show. Sorry to all x".
He later added: "Thanks for all the lovely messages, I don't know if everyones understanding and support is making me feel better or worse! You're the best!"
The 72-year-old was replaced as the headline act by Will Young, who Tweeted: "Singing out the blue in Hyde park tonight! Filling in for Tom jones who I hope is ok. Come along. It's FREE and I'm going to wear gym gear!"