Name That Tune 2x3

Former "Beverly Hills 90210" sweethearts "Kelly" and "Steve" go note-to-note: Actress Jennie Garth, playing for the Equus Foundation vs. Actor Ian Ziering, playing for The Epidermolysis Bullosa Medical Research Foundation; and Grammy Award-winning artist Shaggy, playing for the Shaggy Make a Difference Foundation vs. Actress/Director Kim Fields ("The Upshaws"), playing for Back On My Feet.