You know the songs – but how well do you really know the stars? Test yourself!
CREDIT: Gries / Getty; Fossum / Startraks; Williamson / FilmMagic; Vespa / WireImage
Published: Friday October 10, 2008 06:00 AM EDT
More from PEOPLE
See More News
Q: 1 of 13
Copyright © 2014 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.
In partnership with AOL