There is mounting evidence that female rapper Cardi B is feeling pressure from rising hip hop star Megan Thee Stallion. And Cardi doesn't like it.

Last year, Cardi was  seen by fans as far and away the top female rapper. This year, it's not quite as clear. Newcomer Megan Thee Stallion is growing in popularity, and she's got multiple hit records on the Billboard 100.

And Cardi's uncomfortable with Megan's challenge to her crown. The Bodak Yellow rapper has been firing subliminal shots at Megan, for the past couple of weeks.

And on Sunday, Cardi's shot against Megan wasn't subliminal, it was DIRECT.

One of Cardi's fans posted a pic criticizing Megan's outfits. The fan shaded Megan's BET Awards outfit by commenting that for the first time in a long time, Megan was not wearing "some shorts and a bra."

Look:

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Here's Megan's BET dress:

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And her's how she usually dresses:

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So far Megan hasn't responded . . . 

The verbal back and forth between female rappers Cardi B and Megan Thee Stallion nearly hit a fevered pitch in early June.

Cardi B is now openly clapping back at Megan, who's been dropping subliminals against Cardi - for using ghost writers to write her songs.

Megan dropped more subliminals on Cardi, during her interview on Sway & The Morning's show. She was talking about female rappers with ghostwriters, and Megan said:

"I think that writing is super important if you want to be that person known for your bars and known as an actual 'rapper-rapper.' If that's something that's important to you then, hell yeah, you need to be writing," stated Megan.

"But if you're an entertainer and you're somebody that's just getting the party going, I don't think it matters as long as the people are listening to it and they're rocking with it. You're just making feel-good music. So if it took ten of y'all to put the song together [and] the song came out live, that's y'all business."