Jackson Back In Action

Michael Jackson is shown in Los Angeles on May 6, 2009, during rehearsals for his upcoming concert. In what was set to be his greatest comeback, the pop star was scheduled for an unprecedented 50 shows at a London arena, with the first set for July 13. Jackson, 50, died in Los Angeles on Thursday, June 25, 2009.

Michael Jackson, center, is shown in Los Angeles May 6, 2009, during rehearsals for his upcoming concert in London. Jackson, 50, died in Los Angeles on Thursday, June 25, 2009.

Michael Jackson announces that he is set to play 10 live concerts at the London O2 Arena in July, at the venue in south London, Thursday, March 5, 2009. The singer also stated that this would be his final performances in London.

Michael Jackson announces that he is set to play 10 live concerts at the London O2 Arena in July, which he announced at a press conference at the O2 Arena, Thursday, March 5, 2009. Jackson returned to the stage Thursday after eight years marked by more scandal than music-making and told a crowd of screaming fans that he would play a series of London concerts before retiring from public performance.

Michael Jackson announces that he is set to play 10 live concerts at the London O2 Arena in July, which he announced at a press conference at the London O2 Arena, Thursday, March 5, 2009. Tickets are expected to sell quickly for the shows, despite concerns the 50-year-old star may not be up for a return to the spotlight.

Michael Jackson announces that he is set to play 10 live concerts at the London O2 Arena in July, which he announced at a press conference at the London O2 Arena, Thursday, March 5, 2009. The King of Pop has been plagued by financial, legal, and medical woes for years and has not performed a major concert since 2001. His last studio album was released the same year.

Michael Jackson announces that he is set to play 10 live concerts at the London O2 Arena in July, which he announced at a press conference at the London O2 Arena, Thursday, March 5, 2009.

Michael Jackson punches the air after announcing that he is set to play 10 live concerts at the London O2 Arena in July, which he announced at a press conference at the London O2 Arena, Thursday, March 5, 2009.

People watch a live broadcast of singer Michael Jackson as he announces a series of concerts, on an electronic billboard near the London O2 Arena, Thursday, March 5, 2009. Thursday's announcement was greeted by thousands of people at the O2 arena, where the concerts will be staged.

An electronic billboard advertising U.S. singer Michael Jackson's series of London concerts in July is seen on the Dome, which houses the London O2 Arena, Thursday, March 5, 2009. Thursday's announcement was greeted by thousands of people at the O2 arena, where the concerts will be staged.