On December 2, 2015, Celine Dion took part in the taping of the concert "Sinatra 100: An All-Star GRAMMY Concert", celebrating the late Frank Sinatra's 100th birthday at the Encore Theater at Wynn Las Vegas in Las Vegas, Nevada.
LAS VEGAS, NV – DECEMBER 02: Singers Celine Dion (L) and Tony Bennett pose backstage during “Sinatra 100: An All-Star GRAMMY Concert” celebrating the late Frank Sinatra’s 100th birthday at the Encore Theater at Wynn Las Vegas on December 2, 2015 in Las Vegas, Nevada. The show will air on CBS on December 6. (Photo by Kevin Mazur/WireImage)