Sean Kingston excited to join Justin on tour

Sean Kingston, who next week kicks off a tour with ‘tween idol Justin Bieber that Sept. 4 brings them to a sold-out show at Allentown Fair, says he met the sensation before he was famous, and they clicked right away.

Kingston, in a telephone interview Tuesday, said he met Bieber a year ago, before the release of his first album “My World,” through his manager. Kingston already had hits with “