Check out SNSD and f(x)'s backstage pictures from SMTown Live World Tour IV in Seoul!

It's D-day for the 'SMTOWN LIVE WORLD TOUR IV in SEOUL', and prior to the concert proper, here are the backstage and rehearsal pictures featuring the members of SNSD and f(x)!

Check out their photos from the Seoul World Cup Stadium below~

Credits:
SMEntertainment