The 27-year-old rapper - who is well known for her high-profile spats with other celebrities - has seemingly reignited her feud with Nicki, who she's accused of copying her style after the chart-topping star teased a mermaid-inspired video for her song Bed.
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Azealia Banks who has previously likened herself to a mermaid - reposted Nicki's teaser on social media and captioned it: ''Chicken of the sea sis. Stay in your own lane (sic)''
Azealia Banks also tagged Nicki and quipped: ''Lol you running out of ideas girl (sic)''
The teaser clip features shots of Nicki, 35, appearing topless but wearing a mermaid-like fin on the bottom half of her body.
She captioned the original video: ''A beautiful [mermaid emoji] washed up on the beach while we were shooting the #BedVideo. Such a precious creature. (sic)''
But Azealia was unimpressed with the clip, likening Nicki's appearance to ''canned tuna''.
She added on Twitter: ''Your hips and booty too big for that mermaid tail lol. She tried it tho... that's cute (sic)''
Azealia Banks subsequently became involved in a spat with some of Nicki's fans, who were keen to defend the Anaconda hitmaker.
But Azealia refused to back down, telling them that Nicki was afraid of being outshone by her.
She wrote: ''She just knows I'm gonna outshine her so I should stop playing humble and really come to slay these b***hes lol. It's no shade to me it's just the game lol (sic)''
She also joked that Cardi B had already surpassed Nicki as one of the top female rappers.
Azealia Banks said: ''S**t even cardi outshined her ass this year. The truth of the matter is that the nicki Minaj reign is up. (sic)''