What to wear: Get ready to be gold AF, friends. Metallic gold leggings, shirt, shoes, and jacket are necessary to pull of Lumiere (as is some temporary gold hair paint). If you want to go all-out, either carry around two long, white candles all night, or fasten them to the sleeves of your jacket!
How to act: Speak with a French accent if you can (even if it's terrible, it's probably still not as bad as Ewan McGregor's!).