Rascal Flatts are set to appear in what is destined to be one of the biggest blockbusters of 2009. The trio has signed on to film a performance that will be featured in the upcoming 'Hannah Montana' movie. The film, starring Miley and Billy Ray Cyrus, is currently being shot in the Nashville area. It's scheduled to hit theaters on May 1, 2009.

In the meantime, Rascal Flatts are gearing up for their big 'Bob That Head' tour. With Taylor Swift as their opening act, they'll kick off their summer shows June 13 in St. Louis, Mo. Click here for a full list of tour dates.