Usher is the latest celebrity who has apparently been caught having sex on video.
The star is allegedly seen romping with two women after a gig when he was 19.
Usher - now 25 - was introduced to the pair by the owner of a club where he performed, says a source who has seen the tape.
The source said: "There is no doubt it's him. You can see him hamming it up for the camera."
A spokesman for the R&B star, whose LP Confessions is No 2 in the US charts, had no comment.
A rumour that he only has a 1 inch cock is as yet unconfirmed.document.write(unescape("