Duff performs her hit single on the Today show summer concert stage. Plus: Britney Spears, Tom Cruise and more
Updated: Friday Jun 29, 2007 | 06:00 AM EDT
More from PEOPLE
- Survivors Return to Auschwitz for 70th Anniversary of Liberation
- The Best Photos from the Week of Jan. 19- Jan. 25, 2015
- Lance Armstrong Makes Cameo in New Drug-Related Music Video
- This Is What the Stars Ate During the Blizzard of 2015
- Gary Sinise Blasts Howard Dean for Calling American Sniper Fans 'Angry'