As tempting as it seems to wear tennis shoes with your tux, don't do it. I think it looks ridiculous. If you're 14 years old, maybe give it a shot. In general, don't portray anything that says 'I'm too cool and I don't care.'
Well, that's the secret of commerciality, a simple style and you stick with it.
I'm here instead of having shoulder surgery. But I'm not sure which is more painful.