See how the birthday boy (Jan. 31) ditched the curls to become a singing, acting, designing phenomenon
Credit: Scott Harrison/Liaison/Getty
Updated: Thursday Jan 27, 2011 | 06:00 AM EST
By: Cara Lynn Shultz
More from PEOPLE
See More News
4 of 31
Before Sue Sylvester, Timberlake rocks the red track suit – onstage for 'Nsync's first-ever arena tour in 1999.
Copyright © 2014 Time Inc. All rights reserved. Reproduction in whole or in part without permission is prohibited.