A Great Song For A Singing Contest?? PLEASE!!!?

So, I know there are a lot of good songs to sing, but I need help to help my friend pick a song. I need a CONTEMPORARY STRONG song, not an old one. She has a good voice and a wide range, so don't worry about that. Her voice is kinda pop but she can also sing a little R&B. I think her voice adecuates more to Leona Lewis, Kelly Clarkson-ish songs. I would like her to sing something like "bleeding love", but that song is a little old and we've heard it so many times it's boring now. The fact that I said that she has leona lewis kelly clarkson-ish voice doesn't mean that I want songs only from those two artists. PLEASE HELP... I will choose a best answer