Was flipping through YouTube and found Crystal Gayle singing "But When I Dream..." (http://www.youtube.com/watch?v=lHevOVJq2e8)

Was Charlene lip-synching to this version, or was someone else singing? Or, was it actually Jean Smart?

Old link is broken... here's the new. (http://www.youtube.com/watch?v=MkmimLQyR64)