The fivesome rose to fame after they placed third on Britain's The X Factor in 2010, and soon became superstars all over the world, reported Contactmusic.
Their popularity has been compared to another all-male band to come out of the UK, legendary rock group, The Beatles, whose catchy songs and good looks attracted crowds of screaming teenagers all around the globe.
"We all sat and watched the film of them arriving in America. And to be honest, that really was like us. Stepping off the plane, the girls, the madness. It was exactly the same as when we got there - just 50 years earlier.