It has been six years since Celine Dion’s last full concert. But that’s about to change. Dion, who turned 58 on Monday, plans to perform 10 concerts at the Paris La Défense Arena. In a video posted to her social media accounts, she spoke about the shows planned from mid-September to mid-October, along with providing an update on her health. “Over these last few years, every day that’s gone by, I’ve felt your prayers and support, your kindness and love,” Dion said. “Even in my most difficult times, you were there for me. You’ve helped me in ways that I can’t even describe, and I’m truly fortunate to have your support.” The announcement was teased on posters around the French capital adorned with the titles of Dion’s songs, including My Heart Will Go On and Pour que tu m’aimes encore.…