Celine Dion has made her first public appearance in years. The legendary singer was spotted Monday in Las Vegas, Nevada, as the Montreal Canadiens took on the Vegas Golden Knights. The Canadiens shared a clip on their Instagram, where the 55-year-old singer appeared in good spirits.A post shared by Canadiens de Montréal (@canadiensmtl)Dion met the team head coach, Martin St. Louis, who said he watched her sing “Une Colombe,” in front of the Pope when she was 14.