It's OK to admit that you smoked pot and went to Westport Coffee House instead of your high school prom. These days, luckily, there's a chance to relive almost everything, formal dances included. Thanks to Knuckleheads Saloon (2715 Rochester, 816-483-1456) and Kansas City Rockabilly, the seventh annual Rock and Roll Prom gives you the chance to cozy up to your crush and drink booze openly (instead of surreptitiously, in the parking lot in your parents' car). Chop Tops hair salon is offering prom-day discounts, so get done up in your vintage finest and dance without awkwardness to the tunes of Hella Go-Go, Adam Lee and the Dead Horse Sound Company, and the Mezcal Brothers. Get your hopes up for being crowned king or queen. And what retro prom would be complete without Elvis impersonator Jeff Bergen between sets? Prom starts at 8 p.m. Advance tickets cost $6 for individuals or $12 for couples; same-day prices go up to $12 and $20, so buy early at knuckleheadskc.com.