courtesy Repertoire; Alpha/Landov

How do you let a megastar performer know how much you appreciate her 700 sold-out shows that brought you a reported $400 million? With diamonds, of course–and lots of them! After an emotional Celine Dion took a final bow following her “A New Day” show in Las Vegas this weekend, producers were waiting backstage to gift the singer with more than $32,000 worth of Hearts On Fire diamonds from DeJaun Jewelers in Sherman Oaks, Calif. The ...