Spring Tuxedo

Wearing a Spring Tuxedo meets half the requirement for. The other player character needs to be wearing an.

Source
Both items may be found in Brightly Colored Eggs during Noblegarden; finding both items in eggs grants.

They may also be purchased from s and s during the event; although getting them this way does not work for Sundays Finest, they do work for Blushing Bride.