fifth studio album, Patience, was released in 2004, it was critically acclaimed and went to No. 1 on the UK Albums Chart. The album became one of the fastest-selling albums in the UK, selling over 200,000 copies in the first week alone. It reached the Top 5 on most European charts and peaked at No. 12 in the US, selling over 500,000 copies to earn a Gold certification from the RIAA. "Amazing", the third single from the album, became a No. 1 hit in Europe. When Michael appeared on The Oprah Winfrey Show on 26 May 2004, to promote the album, he performed "Amazing", along with his classic songs "Father Figure" and "Faith". On the show, Michael spoke of his arrest, the public revelation of his homosexuality, and his resumption of public performances. He allowed Oprah's crew inside his home outside London. The fourth single taken off the album was "Flawless". It was a dance hit in Europe as well as North America, reaching No. 1 on the Billboard Hot Dance Club Play and becoming Michael's last No. 1 single on the US Dance chart. Twenty Five is Michael's second greatest hits album, celebrating the 25th anniversary of his music career. Released in November 2006 by Sony BMG, it debuted at no. 1 in the UK. During the 2005 Live 8 concert at Hyde Park, London, Michael joined Paul McCartney on stage, harmonising on The Beatles classic "Drive My Car". In 2006, Michael embarked on his first tour in 15 years, 25 Live. The tour began in Barcelona, Spain, on 23 September and finished in December at Wembley Arena in England. On 9 June 2007, Michael became the first artist to perform live at the newly renovated Wembley Stadium in London. On 25 March 2008, a third part of the 25 Live Tour was announced for North America, with 21 dates in the US and Canada. Michael made his American acting debut by playing a guardian angel to Jonny Lee Miller's character on Eli Stone, a US TV series. Each episode of the show's first season was named after a song of his. Michael also appeared on the 2008 finale show of American Idol on 21 May, singing "Praying for Time". When asked what he thought Simon Cowell would say of his performance, he replied "I think he'll probably tell me I shouldn't have done a George Michael song. He's