The band decided to liven up their shows by adding dancers in shark costumes for their U.S. tour this year (15), but they had to change their plan after Perry used a similar routine during her high-profile half-time show at the U.S. football game in February (15).

Frontman Steve Garrigan tells Absolute Radio's Pete Donaldson and Sarah Champion, "We were looking for some dancing sharks, but (Katy Perry) stole the idea so we couldn't use it. Damn you, Katy Perry."

Perry's routine became an online sensation after fans picked up on the left shark's dodgy dance moves, and she later released an official 'onesie' costume dedicated to her bumbling back-up dancer.