Historical clue formulations

• Red carpet attire — 2024-08-11
• Dress worn to a ball — 2022-06-06
• Prom purchase — 2021-09-16
• Wedding dress, e.g. — 2011-02-28
• Formal frock — 2008-08-26
• Order for Oscar night — 2007-09-16
• Subject of interest in the question "Who are you wearing?" — 2007-09-14
• Cap's partner — 2007-07-25
• Cap's partner — 2004-10-06
• Hospital wear — 2003-12-24
• Oscar night rental — 1999-11-24
• Dress for a ball — 1998-06-03