MTV Video Music Awards 2010 Arrivals, Nokia Theater LA Live, Los Angeles, CA.

MTV Video Music Awards 2010 Arrivals, Nokia Theater LA Live, Los Angeles, CA.

A sex tape starring R&B hunk Usher and his ex-wife is reportedly being shopped around Hollywood.

Celebrity gossip website TMZ.com reports that the X-rated footage was offered to them for sale over the weekend.

The seller, who has not been identified, apparently sent over a short clip and two photos as a taster.

And the website confirmed that the two stars are Usher and Tameka Foster, the mother of his two young sons.

Details of the content of the steamy video have not been disclosed.

Sources close to the chart-topper say a sex tape could have been among the items Usher had stolen from his car back in December 2009.

The 32-year-old Confessions singer had reported more than $1,000,000 worth of jewellery and electronics stolen, including two laptop computers.

A rep for Usher, who split from Foster 18 months ago, had no comment.