The Masked Singer's Alien was unmasked as Sophie Ellis-Bextor as viewers were proved correct.
Singer Sophie teased a 'crime scene' in her clues, leading viewers to guess that she was teasing her 'Murder on the dance floor' track.
After being unmasked, the judges gasped and admitted that they would have never guessed.
She admitted that she was excited for her children to watch her on the show, before singing herself out.
Opening up about her reasoning for appearing on the show, Sophie said: "The craziness of the show! And getting the chance to try and sing sounding unlike me. I love a challenge and why not do it dressed as an extraterrestrial?!"
Admitting that she loved the secrecy at filming, she said: "The hoodie you wear says ‘don’t speak to me’ and quite frankly it’s the best hoodie I’ve ever owned."
During their plethora of clues, Alien appeared to be a model - but judge Mo was convinced that they were changing their accent while singing.
Up against Robin, Alien sadly lost - but fans reckoned that they knew who Alien really was after their 'crime scene' clue... and it wasn't because they'd been on a detective show.
One tweeted: "Alien is definitely Sophie Ellis Bexter. Crime scene = murder on the dance floor. The epic battle = Sophie and her husband who starred as extras in an episode of GoT #MaskedSinge r."
While another commented: " #MaskedSingerUK alien - Sophie Ellis-Bextor."
A third wrote: "I think I have heard Alien performing live. That voice sounds very much like Sophie Ellis Bextor. The clues all fit too. #MaskedSingerUK."
" #MaskedSingerUK alien is sophie ellis bexter murder scene defo means murder on dance floor. Model and sounds like they've changed her voice . Every now and then I swear her voice came through," another commented.
