Along the same lines as the MTV commercial, Perfect Days (man in the wheelchair, etc.) there is another MTV promo ad with a cute song, that, of course, I can't figure out.
The ad features two girls who go to an art gallery. At the gallery, they yell "HACK!" at a hanging experimental artist weirdo, and then it goes into a montage with them drinking, laughing, hanging out at the art gallery with stuffy looking guys. It ends with them hanging out of a sunroof on a limo, and saying "Let's go home at watch MTV."
I can't get the lyrics too well, but the song has female vocals if that is of any help!
EDIT: Got it! It's called: You Are The Generation That Bought More Shoes and it's by Johnny Boy!