Kelly Clarkson was watching Metal Skool in LA on Monday. They recognized the American Idol star and brought her on stage. She looked a little tipsy and proceeded to drink onstage, touch herself and play air guitar. Oh my eyes - I warn you - it's Kelly like you have never seen her before. Click here [1] to check out 2 videos of Kelly having a hard core time and singing Guns and Roses.

Source [2]