Josh Groban and joined Celine Dion onstage in Los Angeles on Saturday (12Jan08) for a low-key fan-only concert that has been filmed for a new TV special. The concert, at the Wiltern Theater, was Dion's first show since she wrapped her five-year A New Day residency at Caesar's Palace in Las Vegas in December (07). Celine Dion: That's Just The Woman In Me will air in America on 15 February (08).