Céline Dion declared herself 'the biggest fan' of Hauser during the cellist's show in Las Vegas, where he performed one of her hits. Céline Dion was treated to a night of beautiful music with two of ...

Dion was joined on Saturday by 13-year-old twins Nelson and Eddy as they enjoyed Hauser's performance at the Wynn Las Vegas' Encore Theater. During the show, Hauser paid tribute to Dion by performing ...