Celine Dion Shows a Ton of Leg at Billboard Music Awards 2015

Celine Dion shows off lots of leg in her sexy Mugler dress in the press room at the 2015 Billboard Music Awards held at the MGM Grand Garden Arena on Sunday (May 17) in Las Vegas.

The 47-year-old singer made an appearance at the show to present the award for Top Male Artist to Sam Smith, who unfortunately could not attend as he is recovering from vocal chord surgery.

PHOTOS: Check out the latest pics of Celine Dion

Celine will be making her big return to the Vegas stage on August 27.

15+ pictures inside of Celine Dion at the show…