The Essex group, aged between 18 and 20, are made up of lead vocalist Te Eugene, guitarist Eddie Brett and ukulele player Sonn Murharrem.
© ITV / THAMES/SYCO
Their song 'Lovesick' features the rhyming words "eyes" and "pork pies", reminding panellists Simon Cowell and David Walliams of '80s ska band Madness.
Meanwhile, Alesha Dixon says: "I liked you from the moment you stepped onto the stage because your personalities are shining in abundance.
"You look like you're having fun... I think you're my favourite act so far."
Walliams added: "It's like a great London band. If you brought out an album tomorrow I would buy it."
Britain's Got Talent airs Saturdays at 8.30pm on ITV1.
> 'Britain's Got Talent' auditions week five preview - Pictures
> Stephen Mulhern's 'Got Talent' blog week five
Watch a teaser video preview of The Loveable Rogues' performance below:
