SLIPPERY ROCK — Slippery Rock High School has announced its 2010 prom court. Front, from left, Shawna Peace, April Green, Ali Doyle, Mallory Ralston, Sarah Cessar and Julia Davis. Rear, from left, Cole Knight, Nolan Pease, Ryan Devore, Devin Hribal, Justin Bennett and AJ Renshaw. The king and queen will be crowned tonight at the high school before the prom at the Slippery Rock University Union. Theme for the event is A Night of Magic and colors are silver and purple.