Duff performs her hit single on the Today show summer concert stage. Plus: Britney Spears, Tom Cruise and more
Credit: Rick Leeks/Splash News Online
Updated: Friday Jun 29, 2007 | 06:00 AM EDT
More from PEOPLE
- Read the Cover Story: Matthew McConaughey: Love, Family & What I've Learned
- Khloé Kardashian Shares Photo of Hurt Finger After Birthday Mishap: 'I'm Prone to Injury!'
- How Legendary Basketball Coach Pat Summitt Changed Women's College Sports
- FROM EW: Titanic's Billy Zane Thinks Rose Should Have Ended Up with Cal