簡介：Best Alternative--Thirty Seconds to MarsBiggest Fans--Lady GagaBest Live--Katy PerryBest Female--Lady GagaBest Rock--linkin ParkBest Male--Justin BieberBest Hip Hop--EminemBest Push--Bruno MarsBest New--Bruno MarsBest Pop--Justin BieberBest World Stage--Thirty Seconds to MarsBest Song--Lady Gaga 'Born This Way'Worldwide Act--BIGBANGBest Video--Lady Gaga 'Born This Way…