Katy Perry drops new single with Nicki Minaj


Katy Perry has released a brand new song.

Well, Taylor's friend Ruby Rose is not having any of it and took to Twitter to slam Katy's music. "I mean 'fetch" happen, '" Ruby wrote.

For the prank, she transformed the cover art from new single "Bon Appetit" into a three-dimensional sculpture, serving up her own head on a platter surrounded by fruit and completely scaring the tuna salad out of innocent museum-goers.

In a follow up tweet, she appeared to target Perry's political alignment with Hillary Clinton during her doomed presidential campaign a year ago.

While a couple of the guests were seen telling their friends "I think that's Katy Perry", majority appeared to have no clue who she was even after being told her name.

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Adding: "I just think with everything going on in the world to go from rebranding as a political activist only to ditch it and go low.is. a bummer".

Katy also collaborated with Calvin Carris, a move that Taylor Swift won't be too happy about.

"This is the like the second weird thing I've done today." .

The singers" beef reportedly stretches back to 2012, supposedly sparked over the two "stealing' back-up dancers from each other.