I think there are. Nothing set in stone though, but the word 'bling' gives us a clue. It wouldn't exist otherwise.
Things can be artistic or even artful and still display restrained good taste. I find some people's idea of 'classy' hilarious.
Me? I like things simple, with form being dictated by function. The ideal example was the original Alec Issigonis design of the Mini. Absolutely no concessions to styling, but it looked great. The hideous modern BMW mini 'clone' is just the opposite.