I feel terribly bad/sorry for those who say that:
- Britney Spears
- Jessica Simpson
- Miley Cyrus
- Rihanna
(That I remember from reading the entire thread), cant sing, you need seriously to see a doctor, cause your ears are just too bad.
Britney can obviously sing, and proofs, you can find on youtube, yes she lips many times but that's because she dances more than any artist out there, her voice is amazing.
Jessica Simpson, is one of the best vocalists ever, her voice is powerful and you only say she can't sing because she has been flopping recently, please get new ears.
Miley Cyrus surely can sing, her voice is great, and it would fit any pop/rock song, I love her high notes, if you say she can't sing, it's probably because you never heard she live or because she is from Disney.
Rihanna... her voice is probs the weakest from these four, but still amazing, her accent makes any song cool, and she can sing high notes, only dummies like you say she can't sing
All of them have amazing voice, that's a fact and there's nothing you can do.