Their four-part harmonies bounced around the O2 arena in an unforgettable five-song-strong set in that reminded us all why they've played the ball a whopping five times!
They kicked off the fun with a classic – the upbeat bop 'The Club Is Alive', giving fans everything they were wishing for and more.
The performancer saw mega-hits like 'She Makes Me Wanna', 'Eternal Love' and 'Beat Again'.
The quartet capped off the energised set with none other than 'Everybody In Love'.
The Club Is Alive
She Makes Me Wanna
Eternal Love
Beat Again
Everybody in Love