My rule is always if you keep your basics classic. You can add seasonable and very trendy stuff and always look modern and updated, but if you're questioning something and its expensive, err on the side of classic.
You've given it some thought, you've tried to prepare as well as you can, but you're reacting to what you see so you can't really prepare that much. It's purely live broadcasting which is very nerve-wracking but hugely rewarding. The game finishes and eventually, maybe an hour later, you're all finished.