Celine Dion brought the Paris Olympics opening ceremony to a magnificent end with her first performance since announcing her diagnosis of a rare neurological disorder in 2022. Dressed in a glittery silver gown, she delivered a stirring rendition of L’hymne à l’amour, co-written and famously performed by French singer Édith Piaf, on a platform partway up the lighted Eiffel Tower and beneath glowing Olympic rings. She was accompanied by a pianist. Immediately after the performance, Kelly Clarkson, one of NBC’s commentators, choked up and teary, said, “I actually can’t talk.” “People don’t know her story, what she’s been going through physically,” she added. “It’s just incredible what she’s overcome. And to have that moment — she’s a vocal athlete.” Dion announced in 2022 she had been diagnosed with stiff-person syndrome, a condition that has affected her ability to sing. She has since cut back significantly on public appearances. She fuelled hype that she would perform at the opening ceremony when she was spotted in Paris this week. Afterwards, the Canadian singer posted on social media …