golden outfit

1. An outfit that you wear only on special occasions.
2. An outfit that makes you the happiest and luckiest person.

1.
Ben : Have you seen Gigi today? She seemed fuckin' happy today.
Harry ; Yeah I know, she was wearing her golden outfit.

2.
Frank : Bro, I dunno what to wear for my date with Sam.
Kenny : Just take your golden outfit!
Frank : Aight, let's go!