I'd reccomend the Thompson Grey. Shown here in USA Kilts semi-trad with maroon shirt and kilt hose. Never mind the gig line being askew.
I'm guessing if you're going to a prom you're much to skinny for this one, which is offered for sale on that thread. But Rocky can maybe get one made up for you before prom time.

Ron
Ol' Macdonald himself, a proud son of Skye and Cape Breton Island
Lifetime Member STA. Two time winner of Utilikiltarian of the Month.
"I'll have a kilt please, a nice hand sewn tartan, 16 ounce Strome. Oh, and a sporran on the side, with a strap please."
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