The 2011 MTV Video Music Awards, which will air Sunday, Aug. 28 at 9 p.m., will pay tribute to late singer Amy Winehouse, who died of unknown causes July 23.  Tony Bennett, who made a duet with Winehouse on Body and Soul, will introduce the tribute.

The tribute and a surprise film debut of a Winehouse-Bennett spring recording session at Abbey Road Studios in London will be revealed, MTV said in a statement.

The video will be released by Columbia Records on Winehouse's 28th birthday, with proceeds going to the Amy Winehouse Foundation.  The Amy Winehouse Foundation, a foundation that helps addicts in their fight for sobriety.

 It was a thrill to record with Amy Winehouse and when you listen to the recording of 'Body and Soul, it is a testament to her artistic genius and her brilliance as one of the most honest musicians I have ever known, Bennett said in the statement.

A toxicology report revealed Tuesday that Amy Winehouse did not have any illegal drugs in her system at the time of her death.  The report detected alcohol in her system although it remains unclear whether it played a role in her death, Winehouse's family said. 

Spokesman Chris Goodman released the following statement: Toxicology results returned to the Winehouse family by authorities have confirmed that there were no illegal substances in Amy's system at the time of her death.

The 27-year-old publicly battled drug, alcohol, and mental health issues for years.