Edith Piaf and La Vie en Rose. I chose that song because I don't find it as sad as "Je Ne Regrette Rien". Hope you like it as well. Je suis content.

http://www.youtube.com/watch?v=2-sUzR71wpQ

But, here's "Regrette Rien" all the same.

http://www.youtube.com/watch?v=d5MUs9l66oY&feature=related