Zoe Ball had to withdraw from Comic Relief after contracting the coronavirus.
The reality TV star, 51, was to be one of the hosts of tonight’s charity show (March 18) but tested positive for COVID.
She posted a message on Twitter saying that Alesha Dixon would be working the “double shift” to replace her.
Read more: Tom Daley had to be taken to the bathroom after an exhausting trip by Comic Relief
It comes after singer Kylie Minogue and reality TV star Joel Dommett also had to pull out after contracting the virus.
Ball told fans on Twitter: “Pook!
Fell at the last hurdle and had positive sidestreams this morning noooooooo the beautiful @AleshaOfficial will be working double shift tonight at @ComicRelief I owe you my love good luck to A Lenny David Paddy AJ Vernon and the @comicrelief gang.”
“There are so many sparkly delights in store tonight,” she continued.
“I’ll be watching and cheering from bed (probably in full makeup, outfit, heels and all) might as well invite @joeldommett to #sickbay.”
Minogue was due to participate in a skit with the cast of the BBC sitcom. ghostsbut said he couldn’t because he was recovering from COVID.
“Sorry to miss my planned visit to the #BBCGhosts Button House for #ComicRelief2022 as I’ve been recovering from COVID,” he tweeted.
“However, I’ll be watching @BBCOne on Friday at 7pm to see what fun @comicrelief has in store for us! Don’t forget to tune in and support the amazing work they do!”
Dommett was also lined up to host and is being replaced by Vernon Kay, who he joked was “more handsome” and “more talented.”
“Super upset to report that I have the video,” he posted on Instagram.
“Unfortunately this means I have to stop hosting @comicrelief… My awesome replacement is the handsomer, more talented @vernonkay who is an ace.
“I’ll be watching from home donating a bunch of money like everyone else!”
Comic Relief will see Dawn French and Jennifer Saunders reprise their The Extras characters in a sketch show version of repair shopand Strictly come to dance winners Rose Ayling-Ellis and Giovanni Pernice will perform a waltz.
Read more: Kylie Minogue ‘forever grateful’ to neighbors how soap is removed after 37 years
Other highlights include Stephen Fry and Sue Perkins reading the Bedtime stories by CBeebieand Jack Whitehall taking on soccer players Mason Mount and Declan Rice in the Mini Golf Challenge.
The main night of Comic Relief programming airs Friday 18 March from 7pm on BBC One.
See: Tom Daley talks about the grueling walk Comic Relief