Dancing On Ice viewers were confused to spot Vanessa Bauer in the audience on Sunday night's show.
Brendan Cole took to the ice with stand-in partner Brendyn Hatfield after pro skater Vanessa tested positive for Covid-19.
Brendan was confirmed to be performing with Brendyn earlier this week after it was announced that Vanessa had been struck down with Covid-19.
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"Unfortunately, Vanessa Bauer is unable to skate this weekend after testing positive for Covid-19. We look forward to Vanessa returning to the competition soon," ITV explained in a statement on Tuesday.
Viewers and the judges loved former Strictly Come Dancing dancer Brendan and his new partner's performance to Beggin' by Frankie Valli and The Four Seasons from the musical Jersey Boys.
And guest judge Arlene Phillips gave her former Strictly colleague the first 10 of the series.
But fans of the ITV skating contest were scratching their heads to see Vanessa cheering him on.
@DaniiJennings asked on Twitter: "How does that work Vanessa has tested positive for covid but can still be in the audience??"
@moore95_pamela said: "Great chance to hear Beggin by Frankie Valli...and why is Vanessa in the audience?"
@russelltruran questioned: "Vanessa’s in the audience??"
But @vampsgrandee pointed out: Just incase anyone wondering Vanessa had covid she tested negative the other day I think she put it on her insta! For everyone asking why she’s there."
People with Covid-19 in England can end their self-isolation after five days as long as they test negative on day five and day six.
On Saturday Vanessa shared on her Instagram: "Officially done with c***d."
And as she cheered on Brendan and Brendyn she wrote: "So glad I can watch tonight! Go on team!!"
Today Vanessa shared a video clip of herself as she made her return to the ice in training with Brendan as they were reunited for props week.
The star previously said she was 'devastated' to test positive for Covid.
"I also tested positive at the same time last year and life’s just hit a couple times recently so I guess I’ve just had enough - but who doesn’t," she told fans on her Instagram.
"However!!! Before I even said anything my mum shared her news of testing positive today also!!!
"Thankfully we’re both okay so the timing actually worked out in the end!"
"Although I was excited to perform our musical week routine that I already choreographed I am thrilled to watch my friend @brendynhatfield skate alongside my partner in crime @brendancoleinsta!
"Can’t thank you enough for stepping in @brendynhatfield I know you guys will do me proud and absolutely smash it!
"Also thank you to @dancingonice and @itv for looking after me while I’m isolating.
"Can’t wait to be back skating soon.
"There is always a bright side to be seen. Life is throwing these things at you cause it knows you can take it and grow from it - you’re a badass."