Complex sentence: The Taking Chances Tour ended on February 26 and on March 1,2009, Dion gave her last public performance on "Star Académie" in Canada, singing a medley of her popular French and English-language songs alongside the contestants.
Split into simpler sentences: The Taking Chances Tour ended on February 26 and on March 1,2009, Dion gave her last public performance on "Star Académie" in Canada. She sang a medley of her popular French and English-language songs alongside the contestants.