The mum-of-two looked sensational as she rocked a shimmering dark blue dress plunging off the shoulder, which featured a very high slit on her left thigh.
Amanda paired her glamorous look with silver strappy heels while her dress showed off a loose neckline.
In fact, some viewers were convinced that they could actually see Amanda’s nipples through her dress.
While many complimented her fabulous look, others were quick to take to social media to criticize Amanda’s choice of dress for a family TV show.
An indignant onlooker wrote: “Is it me or Amanda’s nipples sticking out of her dress, put them away for you.” ”
Another writes: “Are these my eyes or are Amanda Holden’s nipples almost falling out of the dress.” ”
A third rang: “Sometimes less is more. No class ”, while a fourth wrote:“ You can see her nipples !!! “
However, others loved the look and took to Twitter to praise the blonde beauty on her stunning appearance.
One admirer wrote: “Damn Amanda. Wow. ”
“Wow, classic Amanda. You look absolutely amazing xxx, ”wrote another, alongside a love emoji.
Saturday star Mollie King wrote, “Wow, that’s beautiful! X ”
Meanwhile Capital FM host Sian Welby wrote, “Oh come on. Give us a chance! “
Sharing a snap of her latest look with her 1.5 million Instagram followers, Amanda wrote, “BGT tonight 8pm @itv! So excited for a show full of amazing acts + we have the chance to see a theatrical show (finally!) With a performance from the cast of Hairspray. ”
Tonight the Amanda – alongside judges Alesha Dixon, Ashley Banjo and David Walliams returns to the jury for the final night of the semi-finals.
With a total of eight acts staged on stage to wow the judges, viewers are set to get Jon Courtney’s explosive drama Ant and Dec Golden Buzzer Act back to star.
The TV duo who sent it advanced it to the semi-finals in April after impressing them with that comedic song.
The song proved to be a hit not only with Ant & Dec, but also with viewers, as it was aimed at Simon Cowell and the judges.
Singing duo Katherine and Joe O’Malley are also set to take the stage for their third attempt at success.
The couple originally rose to fame with bizarre versions of Disney songs.
Chineke! The Junior Orchestra is also set to perform, and viewers are going to see dancing duo Billy and Chantelle and singer Belinda Davids show off their talents.
And if that isn’t enough, magicians Jasper Cherry and Kevin Quantum are also back with their own take on modern magic.
* Britain’s Got Talent semi-final airs tonight at 8 p.m. on ITV
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