Celine Dion, James Corden reenact `Titanic´ in the Bellagio fountain
(LA Times Television)

Celine Dion is delightfully unpredictable, and it makes for excellent television. The pop superstar flipped the conceit of James Corden´s `Carpool Karaoke` on its head during Monday´s CBS prime-time special. The `Late Late Show` host picked up the singer at Caesars Palace in Las Vegas, where she´s...