Strictly Come Dancing judge Craig Revel Horwood, 56, has tested positive for Covid-19 and will be unable to take part in filming this weekend's episodes.
The BBC ballroom dancing judge is set to return to the panel the following week after his period of self-isolation ends, leaving fans guessing who is taking is slot on Saturday night.
The broadcaster did not say whether he would be replaced on the judging panel, or by who but fans are still speculating.
Oti Mabuse is currently favourite at 10/3 with BeMyBet.com.
Aljaž Škorjanec is at 4/1, the same as Karen Hauer.
A Strictly Come Dancing spokesperson said: “Craig Revel Horwood has tested positive for Covid-19 and is now self-isolating following the latest government guidelines.
“While Craig will not be taking part in Strictly Come Dancing this weekend, all being well, he will return the following week.”
AJ and Kai will be dancing the Waltz to Edelweiss from The Sound Of Music.
Rose and Giovanni will be dancing the Quickstep to Love Is An Open Door from Frozen.
Tilly and Nikita will be dancing a Couple’s Choice routine to Revolting Children from Matilda.
Dan and Nadia will be dancing the Charleston to Good Morning from Singin’ In The Rain.
John and Johannes will be dancing the Viennese Waltz to Chim Chim Cher-ee from Mary Poppins.
Rhys and Nancy will be dancing the Jive to Footloose.
Tom and Amy will be dancing a Couple’s Choice to On My Own from Les Misérables.
Strictly Come Dancing airs Saturdays and Sundays on BBC1.
