Meghan Markle is accused of attacking Kate Middleton in a passive-aggressive manner.

The Duchess of Cambridge and Duchess of Sussex have been pitted against each other since the time Markle started dating Prince Harry. Some royal fans fans were hoping that Markle and Middleton would be best friends since they married Prince Charles and Princess Diana’s sons and are close in age.

Unfortunately, Middleton and Markle’s friendship did not turn out as expected. The royal trio never became the fab four. At present, some netizens even accuse Markle of destroying Middleton’s character.

“Meghan Markle & CO have attacked Kate Middleton passively aggressively since joining the RF. Nothing has worked. You can bet when the divorce comes & Meg does interviews she will DESTROY Kate's character & make her seem unfriendly & cold. Megs isn't done yet. Watch your back Kate,” one netizen wrote on Twitter.

A number agreed with the post, with some warning Middleton to watch her back because of Markle. Meanwhile, others were confident that Markle’s alleged scheme against Middleton won’t work.

“She naively thinks it will work. But it will have the adverse affect. Why? Because Catherine is British & the Nation will always stand by the own first. She’ll try get sympathy through the US but she’s underestimated how popular William is there. He looks like Di too,” a netizen opined.

“Yep! Kate’s smart. She and her family have distanced themselves for good reason. William see the writing on the wall, as well. Meghan is not loyal to anyone, except those who are just like her: hungry for wealth, status, image and power,” a different user added.

According to a different netizen, Markle is putting the royals in danger. However, Markle’s supporters believe that the backlash she received was only due to her color and race.

But not everyone was convinced. Another netizen insisted that Markle’s race and strong feminist views had nothing to do with why people don’t like her. The social media user said that Markle was disliked for her dishonesty and extreme spending habits for her clothes.

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Kate Middleton, on the left at St Luke's Community Centre on March 22, 2018 in London, and Meghan Markle, at Cardiff Castle on Jan. 18, 2018 in Cardiff, Wales. Ben Bircall/Paul Edwards/WPA Pool/Getty Images