Music superstar Ashley Tisdale was the special guest performer at the 2009 Progressive Skating and Gymnastics Event , and you'll get to watch her performance this Sunday, January 10! Ashley joined star gymnasts like Shawn Johnson and Nastia Liukin for this spectacular show in Rapid City, South Dakota. You can check out photos from the event on Ashley's official website before it airs this Sunday at 4pm on NBC! Ashley performed her hit "Crank It Up" at the event, which was packed with athletes, stars, and audience members. They were all definitely treated to a great show! A special sneak peek of Ashley's performance at the 2009 Progressive Skating and Gymnastics Event is posted on Ashley's Myspace Blog. You can watch it here!   Photo: Jason Merritt/Getty Images    Read Full Article