Taylor Swift

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

While some stars were able to recover like a pro, others needed a little help from the audience.

Would Taylor have made a good Éponine?

Selena recounted the moment she played her new music for Taylor.

'Cats' hits theater on December 20.

All the stars came out to celebrate THIR-TAY!

The pop star was named Billboard's Woman of the Decade.

Swift released the holiday song last week.

You won't believe how many millions she earned this year.

See how your favorite celebrities have transformed since they first made it big.