I'm not sure if we've discussed Clare Keim. She is one of my favorite singers from the show.
Here she is with others singing L'Histoire...
http://youtu.be/ODEw1_oIw6k?t=62
Here she is in 'Dernier Danse' (Last Dance). The audio doesn't really do her justice in this clip.
http://youtu.be/ODEw1_oIw6k?t=62
Rolling in the deep with Alizée...
There was this performance too with Alizee that didn't really make use of her vocal skills but it's one I enjoy.