Ok, now that I've watched more of the show, I'm not as confused. From what I saw Alizée did get lowered from first to second after the SMS votes were tallied. Yet I'm still not 100% sure of that.
According to
this article they will have a new dance off with the same competitors at the beginning of the show, and then run a normal show with the remaining eight pairs, and then eliminate another pair at the end. I think this has already been mentioned here.
Also more 'bug' info
here.