It's been a while since we saw a celebrity social media scrap this ugly.
It appears Azealia Banks kicked it off by publishing a (now deleted) post about Trump's travel ban targeting seven Muslim majority countries.
Amongst other things, the 212 singer wrote: "As far as rihanna (who isn't a citizen, and can't vote) and all the rest of the celebrities who are using their influence to stir the public, you lot really REALLY need to shut up and sit down. Stop chastising the president."
Rihanna responded by posting this photo captioned 'the face you make when you a immigrant (sic)' #stayawayfromthechickens
A photo posted by badgalriri (@badgalriri) on
The chickens thing is a reference to allegations Azealia sacrificed chickens in a witchcraft ritual. That was a separate spat with Sia!
To cut a long and confusing story short, the back and forth between the celebs resulted in Azealia publishing Rihanna's alleged phone number.
Rihanna returned the favour by revealing Banks' digits in a profile picture, before deleting it and posting this:
Naturally Azealia responded...
Thankfully Rihanna let it go. For now.