Sir Bruce Forsyth has had to pull out of hosting Strictly Come Dancing this weekend after being taken ill with flu.
The showbiz veteran, host of the series since it launched in 2004, is not feeling up to the rigours of the live show which he fronts with Tess Daly.
Much-loved Sir Bruce, 85, last missed a programme through illness in 2009. He will be replaced by Claudia Winkleman, who usually co-hosts the results programme and who has stood in on other occasions.
The BBC said: " Sir Bruce Forsyth has the flu and therefore isn't feeling well enough to present tomorrow's Strictly Come Dancing on BBC One. The show looks forward to his return next week."
Producers regularly schedule rest weeks into Sir Bruce's schedule during the series to help him cope with the workload of fronting three months of weekly live programmes.
Tomorrow night the 15 celebrity couples will take to the dancefloor at 6.20pm and face the public vote for the first time. Viewers will learn which couple will be the first for the chop during Sunday's results show.