Katy Perry has made no secret of it…she isn’t a fan of Taylor Swift‘s.

Allegedly on the receiving end of a number of the ‘Bad Blood’ singer’s infamous take-down schemes, Perry seemed to add fresh wood to their feud’s fire by recording herself dancing to Kanye West’s ‘Famous.’

Why this means anything?

Said song was penned to diss Swift and, much to her horror, used by West’s wife Kim Kardashian to expose a side of her personality her fans are often shielded from.

Click here to learn more about it.

Watch Perry in petty action after the jump…

Your thoughts?