For 15, the singing is not bad, but the song was not a wise choice for a 15 year-old. If she ever spent more than one day on this board, then she would know what kind of response it might get. But I didn't find it on this board....
Seriously, there is some talent in the voice, but if she wants to pursue musical theatre, then the comments and criticism will help.
"What can you expect from a bunch of seitan worshippers?" - Reginald Tresilian