Rascal Flatts Appears On Late Show With David Letterman

Late Show with David Letterman, 04/16/09, 4/4 (Matthew Perry; Elisha Cuthbert; Rascal Flatts)

Our next guests have the number one album in the country. It is titled "Unstoppable." Please welcome back to the program, Rascal Flatts”

— David Letterman