IT was the BGT battle of the bombshells as Amanda Holden and Alesha Dixon both flashed their pins in leggy frocks.
The two judges looked sensational as they turned up the heat for the second live semi-final shows.
Amanda had a purple reign in her floor-length gown.
It was slashed to the thigh to reveal her toned pins.
The 51-year-old showed off her age-defying figure in the off-the-shoulder number with sparkles around her cleavage.
Alesha showed off her incredible body in an asymmetric frock.
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The black sparkly number was slashed at the thighs to show off her incredibly toned legs.
The mum-of-two looked sensational with her hair swept back into a low plait that fell down her back.
The ladies made quite an entrance flanked by their co-stars Simon Cowell and David Walliams on either side.
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Opera singer Maxwell won the first night of the semi-finals, after securing the most public votes.
The busker wowed the judges and viewers with his incredible performance which won him a place in the final.
After he performed David Walliams exclaimed: "It was wrong you didn't get the golden buzzer".
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Fellow judge Alesha Dixon added: "I was completely under your spell."
Head judge Simon Cowell even called on legendary composer Andrew Lloyd Webber, and said: "You should watch this performance and watch Maxwell and cast him in something."