Nowadays, there doesn’t appear to be any bad blood between the singers.

But, what is the history of Swift and Perry’s iconic fallout?

The move reportedly angered Swift, who believed Perry had essentially stolen the dancers behind her back.

OnTwitter, she wrote, “Watch out for the Regina George in sheep’s clothing.”

Keep reading for more on their iconic feud.

Are Katy Perry and Taylor Swift friends today?

This means so much to me.

Thank you, Katy."