Christina Aguilera

From Britney to Beyoncé, find out which artists ruled the 2000s.

Fans were outraged over the incident.

Simpler times, and so much bubblegum pop.

From album art that looks badly Photoshopped to covers that are downright bizarre or entirely off-brand.

Featuring *so many* talented 'Drag Race' stars.

Christina Aguilera apparently wasn't originally meant to perform with Britney and Madonna.

Check out cringe-worthy fashion fails from our favorite celebrity couples.

Check out questionable and unfortunate hairstyles from Jennifer Lopez to the Jonas Brothers.

These are possibly some of the worst fashion moments of all time — or at least the '90s.

Our favorite, once-inseparable celebrity besties and their unfortunate fallouts.

Get all the details for perfect NYE viewing tonight!

From Lady Gaga to Roseanne Barr, revel in the best — and worst — renditions of 'The Star Spangled Banner' celebrities have to offer.