WATCH: Meghan Markle's risqué 90210 sex scene

She’s known for playing the part of intellectual paralegal Rachel Zane in Suits but it turns out Meghan Markle had a very X-rated role before she hit it big.

In a video posted to YouTube by a fan of the star, Markle can be seen performing a sex act during an episode of the Beverly Hill 90210 revamp.

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Markle appeared in two episodes of 90210 in 2008 and while she doesn’t have any lines in this particular scene, she certainly makes a big impact.

The stunning 35-year-old actress can be seen in the front seat of a jeep wearing an off-the-shoulder blue top, with her hair falling across her face.

Markle’s character looks flushed as she is caught in the middle of performing oral sex on Ethan, who was played by Dustin Milligan.

The pair, who are parked in a public carpark in broad daylight during their encounter abut Annie Wilson, played by Shanae Grimes, interrupts their afternoon delight with a bang.

And it isn’t the only sex scene footage of Markle that may leave the royal family with red faces as her Suits character Rachel has also been involved in a steamy sex scene.

In the series, Rachel indulges in a passionate love scene with Michael Ross, with one of them being shot in the stationary cupboard at the law firm they both work at.

During the scene, Meghan gets hot and heavy with Patrick Adams, who plays the role of Ross, as he rips off her shirt exposing her black lace bra underneath.

And indeed, perhaps that was the scene that caused the prince's heart to flutter and a spark was maybe further ignited when they reportedly met while in Toronto promoting the Invictus Games last year.

The 32-year-old royal is rumoured to be "besotted" by the actress, who has been slammed online by her half-sister, who claims Harry and his family would be appalled by some of her behaviour.

"The Royal Family would be appalled by what she's done to her own family. The truth would kill her relationship with Prince Harry, he wouldn't want to date her any more because it puts her in a bad public light," Samantha Grant told the Daily Mail.

"I certainly don't think Harry or his family would want to associate with her afterwards."

However Harry seems to be head-over-heels for the actress and even brought her as his date to his friend's wedding in Jamaica two weeks ago.

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