Dazzling in a blue and orange fringed dress, the former Mis-Teeq singer — who also won Strictly Come Dancing in 2007 — performed some of her hits to the crowd at Make the Future Live.
The four-day Shell energy festival, held at Queen Elizabeth Olympic Park in London, aims to encourage people to think more about the challenges we face to find cleaner energy.
Dixon took to the stage on Saturday ahead of a busy week in which the remaining 40 contestants in this year’s Britain’s Got Talent will hope to pass through the five semi-final rounds and book a place in Sunday’s grand final.
BGT judge Alesha Dixon performed some of her hits to the crowd at Make the Future Live festival Alesha Dixon in pictures Fri, March 18, 2016
A look at the beautiful Alesha Dixon in pictures
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The winners of the ITV show will receive £250,000 and book their place on the bill for this year’s Royal Variety Performance.
You might be the greatest girl band we have ever seen on this show
One act hoping to see their name up in lights is girl group Miss Treat Vibes, who stormed through their audition with a crowd-pleasing version of Salt-N-Pepa classic Whatta Man and will perform in the first live semi-final tonight.
The four singers – Lavelle, 22, from Sheffield, Jeanette, 24, from South London, Moesha, 19, from Swindon and Bambi, 22, from Birmingham – have been together for just a year but they received four yeses from the judges during their audition, which also marked their first ever performance.
Dixon’s fellow judge Simon Cowell told them: “You might be the greatest girl band we have ever seen on this show.”
Miss Treat Vibes on Britain's Got Talent
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‘You might be the greatest girl band we have ever seen on this show’, says Simon Cowell
The singers admit they were in shock when they heard Cowell’s comments, which they describe as “amazing”, but say they are determined not to let anything distract them in the build-up to their next performance.
“We’re really happy with everything Simon and the judges said,” Jeanette said.
“It was amazing he said that. It gave us some hope we might have a career after that.
"We just hope everyone else likes us as much as he does."