she tried to do so. She then pulled out of performances in Istanbul and Athens, which had been scheduled for the following week. On 21 June, it was announced that she had cancelled all shows of her tour and would be given "as long as it takes" to sort herself out. Winehouse's last public appearance took place at Camden's Roundhouse on 20 July 2011, when she made a surprise appearance on stage to support her goddaughter, Dionne Bromfield, who was singing "Mama Said" with the Wanted. Winehouse died three days later. Her last recording was a duet with American singer Tony Bennett for his album, Duets II, released on 20 September 2011. Their single from the album, "Body and Soul", was released on 14 September 2011 on MTV and VH1 to commemorate what would have been her 28th birthday. Other ventures Winehouse joined a campaign to stop a block of flats being built beside the George Tavern, a famous London East End music venue. Campaign supporters feared the residential development would end the spot's lucrative sideline as a film and photo location, on which it relies to survive. As part of a breast cancer awareness campaign, Winehouse appeared in a revealing photograph for the April 2008 issue of Easy Living magazine. Winehouse had an estimated £10m fortune, tying her for tenth place in the 2008 The Sunday Times listing of the wealth of musicians under age 30. The following year her fortune had dropped to an estimated £5m. Her finances are run by Mitch and Janis Winehouse. It was reported she earned about £1m singing at two private parties during Paris Fashion Week. as well as another £1m to perform at a Moscow Art Gallery for Russian oligarch Roman Abramovich. Winehouse loaned a vintage dress used in her video for "Tears Dry on Their Own" as well as a DVD to the British Music Experience, a new museum dedicated to the history of British pop music. The museum, located at the O2 Arena in London, opened on 9 March 2009. In January 2009, Winehouse announced that she was launching her own record label. The first act on her Lioness Records is Winehouse's 13-year-old goddaughter, Dionne Bromfield. Her first album, featuring covers of classic soul records, was released on 12 October 2009. Winehouse is the backing singer on several tracks on the album and she performed backing vocals for Bromfield on