The YouTuber, who is appearing as a guest judge on the 2025 series, was asked to come up on stage by ‘The Terminator’ as fellow judges Amanda Holden, Alesha Dixon and Bruno Tonioli looked on in horror.
Wearing a black cloak, gold mask and using an undercover voice, The Terminator asked KSI to sit on a chair while the act made fun of his crush Rhiannon, before blind folding and tormenting him with insects (which turned out to be The Tormentor tickling KSI with a fluffy stick).
However, at the end of the prankster’s performance, which turned out to be fake, his last trick was to reveal his identity.
The Tormentor reveals his identity… 🤯😂
Watch @Deji prank his brother @KSI in this hilarious fake #BGT audition here: https://t.co/1Ry5dwAzLI#BritainsGotTalent pic.twitter.com/RLInZcJjsK
— BGT (@BGT) April 5, 2025
After a few tense, brief moments, KSI’s jaw dropped when he realised it was in fact his brother Deji.
ITV BGT fans complain ‘waste of time’ over KSI prank
But the joke was slammed on social media moments later, as one took to X to say: “What was the point in that?? #BGT.”
Another shared: “must be watching something different because i don’t get what talent that was #BGT.”
A third put: “#BGT well that was a waste of time.”
This person complained: “So just a joke act, to waste time, that was [wasn’t] funny or entertaining. #BGT.”
But some viewers seemed to enjoy the “brilliant” prank on KSI, as one wrote: “Nah that being Deji was brilliant #BritainsGotTalent #BGT.”
All Britain’s Got Talent Winners
An account hailed: “That was brilliant, brotherly love #bgt.”
A BGT viewer also posted: “thats genius. deji you legend #BGT.”
Who got a golden buzzer on Britain’s Got Talent last week?
Singer Linda Mudzenda received the golden buzzer from BGT judge Alesha last weekend (March 29), sending her straight through to the show’s live semi-finals.
The 21-year-old from Zimbabwe, who lives in Bedford, sang Lauren Daigle’s You Say, after appearing nervous as she stepped up to the mic on Saturday’s show, with judge Amanda telling her “take your time, take a breath”.
After the support worker had finished her performance, Amanda described it as “extraordinary”, with fellow judge KSI saying it had made him “emotional”, adding: “It was so touching man, like just seeing how beautifully you sang.”
Alesha said: “I think it’s the first time today that I’ve sat through an audition and my heart was just like racing out of my chest.
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“And like about 15 minutes ago, KSI said to me, ‘What is it going to take for you to press your golden buzzer?”
The former Mis-Teeq star then pressed her buzzer, prompting the contestant to burst into tears, and added: “It was so beautiful, it was so emotional, I don’t know what you’ve been through in your life, but something’s pouring out of your soul, and I loved it, and I can’t wait to see you in the live show.
“So congratulations, go celebrate.”
Britain’s Got Talent airs on Saturdays on ITV1 and ITVX.
