Michael Johns & Carly Smithson on "Ellen" (Not FLV format)

May 2008, where they performed "One". The video has the 2nd song as well, although that one was cut off by the show's closing credits.

If you want to download the file, it's in .wmv format, 11.5MB, and is located here: http://crimsonkeep.com/mediahall/albums/categories/videos/michael-carly-ellen-02a.wmv