Mushroom's identity was exposed as Charlotte Church before her big reveal as runner-up on The Masked Singer thanks to a tissue clue in Saturday's final.
For weeks, many viewers had been convinced that it was Welsh songstress Charlotte in the elaborate costume thanks to clues about Heartbeat - the show she had a cameo in in 1999 and the fact she sang Gnarls Barkley's Crazy, a nod to her own hit single Crazy Chick.
That song was the first single taken from Charlotte's album Tissues & Issues, and there was a huge hint towards that when, in her first VT of the final, Mushroom picked up a tissue.
READ MORE: Panda wins Masked Singer as panel fail to guess her identity
But that went sailing over the heads of the panel, although both Mo Gilligan, who guessed Charlotte in an earlier show, and Jonathan Ross both said they were convinced Charlotte was eventual runner up Mushroom.
While the panel missed the tissue clue, it landed on the radar of many Masked Singer viewers, who rushed to Twitter to show off their detective skills.
After Mushroom sang Flower Duet, one wrote: "Oh wow! Mushroom really saved something special for this final! #MaskedSingerUK goes classical. She had a tissue in the VT - Charlotte Church had an album called Tissues and Issues."
A second posted: "Charlotte Church's debut album was called Tissues and Issues, hence the tissue box. Mushroom as Charlotte Church has done so well this season!" and, in firm agreement, a third tweeted: "Mushroom is Charlotte Church never mind the aria - she had an album called Issues and Tissues and the tissue box was a great clue"
After singing the Flower Duet for her first song, Mushroom duetted with Robin, JLS star Aston Merrygold on Rihanna number 1 We Found Love.
Mushroom and Panda were this year's final two after Robobunny was voted off in third place and revealed to be Mark Feehily from Westlife.
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