Kirk Hammett Gets Pie’d by Bandmates on His Birthday – [Photos]

We all know that Kirk Hammett had a pretty sweet birthday weekend, given that Hardwired... To Self-Destruct was released on Friday. Did you know that in Metallica-land, birthdays usually include a nice round of pie-ing the birthday person in the face? Yeah, that happened.

Do you have any birthday traditions? What do you think of Metallica's birthday tradition?