An assistant allegedly working on behalf of troubled R. Kelly has been accused of bribing a witness in the R&B star's underage sex case. The "I Believe I Can Fly" hitmaker is currently awaiting trial on 14 counts of child pornography, with jury selection due to start on Friday.

Kelly is accused of filming himself having sex with a minor, who is believed to have been 13 or 14 at the time of the incident.

However, in a new twist in the case, a female witness from Atlanta, Georgia claims she was approached by the star's aide to hand over a potentially incriminating video tape of Kelly that she owned, in exchange for a hefty pay off.

The Chicago Sun-Times reports the tape shows the woman indulging in a three-way sex session with Kelly and the alleged underage victim at the center of the case.

The assistant is also alleged to have made the offer to the unnamed lady to prevent her testifying against Kelly in his upcoming trial.

But the reported deal has apparently backfired on the aide - the woman has agreed to take to the stand to help the prosecution's case.

It is expected she will confirm the girl was underage at the time of the indecent act.

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(This news article provided by World Entertainment News Network)