Beyonce - 'Halo'
This image appears in the gallery:
The Many Songs Of OneRepublic's Ryan Tedder
5. Beyonce - 'Halo'
It's Beyonce at her most powerful and has gone down as a true fan favourite with the singer's legion of fans. She also ends each night of her 'The Mrs. Carter Show' world tour with the song. 'Halo' memorably won Best Female Pop Vocal Performance at the 2010 Grammys.