DEF LEPPARD: 45 Million Records Sold And Counting

DEF LEPPARD's X debuted at #11 on Billboard's Top 200 Pop Album chart, selling over 71,000 units during its first week of release. The group's greatest hits collection, Vault, also hit #1 on Billboard's Top Catalogue Albums Chart, where it has remained in the Top 20 since its release almost seven years ago.