Christina Aguilera - You Lost Me

So I saw that John Legend was listening to Christina (evidence below) and I thought I would check out the song.  It is pretty good but as far as I am concerned she is one of the most underachieving musicians out.  She can be so soulful and so amazing but she still stays on some late 90s Britney Spears type stuff (ie "Keep Getting Better").  I wish she would have a revelation and just do soul music, Adele/J. Legend style.... oh well, at least she still has "Beautiful" no one is touching that.