United Kingdom, Oct. 12 -- Celine Dion has been training "as if she were a professional dancer" for her Paris residency.

The 58-year-old singer stepped out of the public eye after being diagnosed with the neurological condition stiff-person syndrome, but she returned to the spotlight last month to begin her 26-show stint at the Plenitude Arena in Nanterre, France.

Ahead of the concerts and throughout the residency - which runs until next May - the My Heart Will Go On hitmaker has been working with her personal performance coach, Naomi Stikeman, to ensure she's in the best possible shape on stage.

Naomi told Britain's HELLO! magazine: "My goal is for Celine to feel empowered inside and out, so she can enjoy her time on stage and perform...