DULUTH, MN (KDAL) - It's the prom before the prom. Arthur's Formal Wear and KDWZ will host the 2nd annual Prom Showcase Saturday night at Clyde Iron Works. The event begins at 6 p.m. and will feature games, interactive displays, music, mocktails and a runway fashion show featuring the latest prom fashions and accessories. Tickets are $8 and will be available at the door.