Guys Formal Wear What Would Look Good On A Teen Guy? Formal Wear.?

What would look good on a teen guy? formal wear.? - guys formal wear

I need suggestions to help as my friend's costume.
ABIT your tan, tanned like football.
5-foot-8. And he has a good physique and short hair.

Proposals for the type of long-sleeved shirt or tie or something.
he could use?

I am now down with a black belt and black shoes and black trousers.
Is that correct?