Behind the scenes of DEADPOOL 2’s “Ashes” music video with Céline Dion and Ryan Reynolds.

20th Century Fox released a new behind the scenes featurette for Céline Dion’s “Ashes,” the emotional song and music video from the DEADPOOL 2 official soundtrack.

The clip shows the Canadian songstress interacting with Ryan Reynolds on set, who claims he had “five bones from my body removed, including my collar bones [and] seven inches of spine. It’s all just to be a little more fluid.” In reality, it wasn’t Reynolds doing the fluid choreography, as a BTS photo revealed that dancer Yanis Marshall doubled for the actor in parts.

Deadpool 2 arrives in theaters on May 18.