Simon rolled his eyes at this unique boyband | Britain’s Got Talent Unforgettable Audition

BGT 2019 applications are now open! Apply now at: http://itv.com/britainsgottalent

Simon wasn’t expecting much when Collabro told him they had only started up a month ago, but he may have judged too soon!

See more from Britain’s Got Talent at http://itv.com/talent

SUBSCRIBE: http://bit.ly/BGTsub
Facebook: http://www.facebook.com/BGT
Twitter: http://twitter.com/BGT