Sir Bruce Forsyth is hoping the show will go on as he battles a bout of ill health in a bid to host tonight's Strictly Come Dancing semi-final.
The veteran television host had to miss yesterday's "walk-through" rehearsal for the BBC1 show and headed home to rest after picking up a cold bug.
However, show bosses are expecting him to bounce back in time for the live show which will whittle the five remaining contestants down to four finalists.
The 84-year-old star has missed Strictly only once before through ill health. He had to miss a week "on doctor's orders" in 2009 after being struck down with flu, with his co-host Tess Daly taking the lead on the show.
A programme source said: "We're pretty sure he will be back to do the show."
In tonight's show Louis Smith, Lisa Riley, Denise Van Outen, Dani Harmer and Kimberley Walsh will each be performing two routines with their professional partners. It is the first heat of the series in which the couples have had to do more than one dance.
At stake is a place in next week's final and the chance to get their hands on the glitterball trophy.
Last week's show produced a shock when Van Outen, who had excelled for many weeks, found herself in the dance-off after her heel became tangled in her dress on Saturday night.
However, she and partner James Jordan remained in the contest when judges chose her to continue.
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