New Kids On The Block & Backstreet Boys Perform In Liverpool [Getty Images]

LIVERPOOL, UNITED KINGDOM - APRIL 23: Donnie Wahlberg, Danny Wood, Jordan Knight and Jonathan Knight and Joey McIntyre of New Kids On The Block perform on stage at Echo Arena on April 23, 2012 in Liverpool, United Kingdom. (Photo by Jon Super/Redferns via Getty Images)

Redferns Jon Super