As one of the world's best-selling music artists, Def Leppard have sold more than 100 million albums worldwide, and have two albums with RIAA diamond certification, Pyromania and Hysteria. They are one of only five rock bands with two original studio albums selling over 10 million copies in the U.S. The band were ranked #31 in VH1's "100 Greatest Artists of Hard Rock" and ranked #70 in "100 Greatest Artists Of All Time".