People News Celine Dion to help Montreal hospital celebrate 100th anniversary 06/01/2007 When "Happy Birthday" is sung during a Montreal hospital's 100th birthday celebration, pop diva Celine Dion will be among the well-wishers warbling the tune. Read More RELATED NEWS Jimmy Fallon's 'The Tonight Show' dropping to only four nights a weekAshley Tisdale announces birth of her second childSelena Gomez is a billionaire TAGS: Celine Dion