ITV BGT fans fume show 'is ruined' as 'average' international act goes through: 'Should celebrate BRITISH acts!'

Simon Cowell, Alesha Dixon, Amanda Holden and Bruno Tonioli all acted none the wiser as to who the band were as the six members began to introduce themselves.

However, a quick scan online proves Blitzers already have earned quite the fanbase in their home country of South Korea and boast a staggering 465k followers on Instagram alone.

The group, aged between 19-22, performed a rendition of Shawn Mendes's hit There's Nothin' Holding Me Back to a raucous reception from the studio audience.

"We're the first K-Pop band to be on Britain's Got Talent and from here, the dream is to go to like Wembley Stadium. We have a lot of fans in South Korea so we'd love to be famous in the UK," one band member said before they performed.

After the six-piece completed the song, complete with high-energy synchronised dance moves, it was time to hear what the judges thought.

All four got to their feet to applaud the Korean boy band before Dixon commented: "I thought that was so slick."

"They're ready for Wembley, come on," Tonioli remarked before Cowell eventually chimed in: "I really, really, really loved this audition.

"Personality is so important and even how you introduced yourself, you know. It seems to me you're very ambitious... This is just brilliant."

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Unsurprisingly, Blitzers received four yeses from the judges - but it's safe to say not all ITV viewers at home were as impressed as the judging panel.

"#BGT Blitzers were average, at best," one fan critiqued before a second hit out: "Why is a K-Pop professional boy band from South Korea allowed to compete? #BGT #BritainsGotTalent."

Blitzers are just the latest in a long line of international acts to grace the BGT stage in this series, which prompted a third to criticise: "I thought #bgt was supposed to be about ordinary people with normal day jobs getting a chance to show their hidden talents but now it's about professional international performers being headhunted from all over the world and being invited onto the show. It's been ruined."

Another weighed in: "They’re getting a standing ovation from the judges because Simon paid to fly them over from South Korea, Simon Cowell ruins every show with his control-freak ways, it used to be British people who were not that good with the odd gem, not anymore. #BGT."

"Why is it called Britain's Got Talent when acts from all over the world are allowed to enter? How many acts have been from South Korea this year!!! #BGT," another questioned before a sixth fumed: "#BritainsGotTalent really is getting pretty terrible lately.

"Can't the producers limit the number of foreign acts and make it more British-orientated?? It is, after all, supposed to be 'BRITAIN'S got talent. Let's have more homegrown acts please!! @Offical_BGT."

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However, there was some support for Blitzers from newfound fans after their BGT audition.

"Bit of K Pop on #BGT. I listen to mostly Girl Groups. But Blitzers seem pretty good," one person defended before a second argued: "Blitzers did such an amazing job!! Singing and dancing at the same time is not easy ESPECIALLY when English is not your language!! I cannot wait to see what they do next!!! #BGT." (sic)

International acts are nothing new on BGT, with a spokesperson previously telling the Daily Mail: "Britain's Got Talent features a range of home-grown talent, alongside some overseas acts.

"It's a testament to the international success of past acts such as Susan Boyle and Paul Potts that overseas acts want to audition for the UK show."