mtvICON: Metallica Saturday Rehearsals

Avril Lavigne, Korn, Limp Bizkit, Linkin Park, Sum 41 and the men of the hour — Metallica, rehearsed before the mtvICON: Metallica taping on Saturday (May 3) at Universal Studios Stage 12 in Universal City, California. Check out pictures from FilmMagic and WireImage.