be dressed (up) to the nines

To be very well-dressed and fashionable, typically for a formal event. I have to be dressed to the nines at this gala tonight—a lot of important people will be there. The whole family will be dressed up to the nines at the wedding, I'll make sure of it.

Common Names:

Name	Pronounced	Usage
Taryn	TAHR-in	English
HalİDe	-	Turkish
Aiden	AY-dən	English (Modern)
Sam	[sæm]
Archelaos	-	Ancient Greek, Biblical Greek
Barta	-	Hungarian