Here's a clip of Mary Kate Olsen jamming out at a Pearl Jam concert in Madison Square Garden, doing some retarded little hippie dance or something. You can practically smell the pot fumes coming through the computer. I guess you'd pretty much have to be stoned out of your mind to be that into a Pearl Jam song or else you might realize that you're actually listening to Pearl Jam and then immediately want to start punching things.

Update: Embedding feature has been removed. Watch the clip here.

Patchouli Face McCrappy Taste In Music at the Costume Gala earlier month: