Def Leppard will be performing on the reality show 'America's Got Talent' on September 7th. They will perform 'Pour Some Sugar on Me' and 'Rock of Ages'. 

If you are a fan of the show, you know Ozzy Osbourne's wife Sharon sits on the judging panel of the talent competition show. Howie Mandel and Piers Morgan are the other two judges.

The show airs Tuesday and Wednesday nights at 9/8c on NBC.

Don't forget to pick up 'Mirror Ball: Live and More' it's a CD/DVD set, which is Def Leppard's first live release.