A good song for Talent Show?

I am thinking of participating in the talent show though i don't have an appropriate song to sing. I have been part of numerous musicals and concerts. I have also been told that i have a good voice. I like to sing songs like, "Someone's watching over me" by Hilary Duff. My range would probably be on the low pitch. If you have any songs you like to sing or you think would be a good song to present, please let me know. Thank you!