Masked Singer fans claim to have "worked out" the identity of Queen Bee before the final unmasking.
On tonight's show, Hedgehog, Octopus and Queen Bee all battled it out to be crowned the winner.
First to perform was Queen Bee.
But in her VT, Queen Bee happened to mention about "Cinderella".
The judges believed this meant the star had appeared in pantomimes.
However, eagle-eyed fans noticed a striking resemblance.
Chelly said: "Masked Singer: Nicola Roberts is ABSOLUTELY Queen Bee Cinderella’s Eyes was an album!"
Sheryl tweeted: "I thought Queen Bee was Jade from Little Mix but the Cinderella clue could be from the title of @NicolaRoberts first solo album Cinderella's Eye."
And Maia said: "omg I'm so proud for picking up on the Cinderella's Eyes thing."
Nicola Roberts first solo album after Girls Aloud was Cinderella's Eyes.
Last week, Fox was unmasked as Denise Van Outen, leaving fans stunned tonight.
The 45-year-old theatre star pulled off her mask tonight and wowed the judges with her true identity.
Masked Singer sees 12 celebrities compete, dressed head to toe in elaborate costumes, their identities are hidden on and off stage, their voices are disguised in interviews - it’s TV’s best kept secret.
As each celebrity sings, a superstar panel, along with the studio audience, are left guessing who’s behind the mask as the celebrity singers try to throw them off the scent.
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