Very probably singer D. J. Rogers. It is documented that he sang on other tracks of this album and if you listen to him on YouTube, you will find that his voice and that of the singer of this song are a perfect match.
1
World
14 years old (at the time of its release).
Huey Lewis and the News
She was 22.
Square
Leona Lewis
Leona Lewis.
At the Opening Ceremony she sang Under Southern Skies, and at the Closing Ceremony she sang We'll Be One.
Huey Lewis and the News
Jerry Lee Lewis
Blake Lewis.. finally!!