2000s Pop Stars, Then and Now: Hilary Duff and More

From Hilary Duff to Rihanna, our favorite 2000s pop stars have changed so much over the years — click through to see where they are now
2000s Pop Stars, Then and Now: Hilary Duff, Rihanna, Jesse McCartney, More

Then + Now: The Cast of 'Lizzie McGuire

The Hilary Duff 'With Love' Dance Has Been Recreated By the Star

Curvy Celebrities: Stars Who Look Better After Gaining Weight

Ashlee Simpson Says 'SNL' Lip-Syncing Fiasco Taught Her 'The Power' of 'No

Ashanti and Nelly's Relationship Timeline

Hilary Duff Would Try Another Lizzie McGuire After Canceled Reboot

Hilary Duff Talks Making a New Album, 'How I Met Your Father

Ashlee Simpson Is Rereleasing Her 2004 Album 'Autobiography': 'It's Time

Little Mix's Jesy Nelson Is Taking an 'Extended Break' From the Band