Tom Jones has cancelled Sunday's Osborne House show, according to his official Twitter account.
The Welsh star tweeted, '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.
'Due to the cancellation refunds for Osborne House will be available from point of purchase. Sorry again', he added.
A statement on the singer's website says:
'Unfortunately, due to a chest infection with Bronchitis, Tom has regrettably been forced to cancel his upcoming shows this weekend at the free concert at the BT London Live event on Saturday 28th July and at Osborne House, Isle of Wight on Sunday 29th July.
'We are sorry to all the fans who were looking forward to seeing Tom, but sadly there is nothing we can do.
'Refunds for Osborne House will be available from point of purchase. Please contact firstname.lastname@example.org for any further queries regarding refunds.'
Organisers of the event at Osborne House released this statement:
'Refunds for Osborne House tickets will be available from point of purchase with effect from Wednesday 1 August, holders of weekend tickets will receive a 50% refund.
'We are very sorry for any inconvenience this might bring, and appreciate your understanding.
'We wish Tom Jones a quick and full recovery'.
They add that the Steps concert planned for Saturday 28th July at Osborne House is going ahead.
Those with Tom Jones tickets who want to use them for Steps will be able to.