By Lehlohonolo Lehana.

@GettyImages.

Will Smith team is denying a new allegation he and Duane Martin were caught in a dressing room having sex years ago, labelling the accusation 'unequivocally false'.

Brother Bilaal, who describes himself as the actor's ex-personal assistant, made the shock accusation in an now viral interview with internet personality Tasha K.

Bilaal claims he once walked in on the Men In Black star, now 55, and Martin engaged in a sex act in Martin's dressing room.

'I opened the door to Duane's dressing room and that's when I see Duane having anal sex with Will,' Brother Bilaal said. 'There was a couch and Will was bent over on the couch and Duane was standing up killing him, murdering him - it was murder in there.'

He also made unflattering claims Smith's manhood, comparing his penis to the size of a 'pinky toe'. 

A spokesperson for the Oscar-winning insisted the story was 'completely fabricated' in a statement TMZ on Tuesday. while a source told the outlet that Smith is 'considering taking legal action.'

Martin, 58, was married to Martin actress Tisha Campbell from 1996–2020.

The Brooklyn-born actor is best known for his stints in the series L.A.'s Finest and on the show All of Us. 

Martin has past worked with Smith on a number of projects, including two episodes of his former series The Fresh Prince of Bel-Air in 1993 and 1995, and three episodes of the 2022 reboot Bel-Air.