Farewell, Michael Jackson
LAST UPDATED AT 10:58 ON Wed 8 Jul 2009

Mariah Carey was the first megastar to appear on stage. She was joined by R&B singer Trey Lorenz for a duet rendition of the 1970 Jackson 5 number one, 'I'll Be There'. Carey and Lorenz also had a number one with the song when they recorded it live in 1992.
Fans and family packed Staples Center in Los Angeles for Tuesday's memorial service. One billion watched on TV