Mariah Carey Pictures

LOS ANGELES,CA - JULY 7,2009: Mariah Carey, left, and Troy Lorenz, right, singing during Michael Jackson memorial at Staples Center, July 7, 2009. Jackson, 50, died June 25th, after suffering an apparent cardiac arrest at his home in Los Angeles. Jackson is survived by his three children; son, Prince Michael Jr., daughter, Paris Michael Katherine, and son Prince Michael II. Michael Jackson sold more than 750 million records, had 13 number one singles, more than any other male artist, and is one of the few artists to have been inducted into the Rock and Roll Hall of Fame twice; once as a member of The Jackson 5 in 1997 and later as a solo artist in 2001. ..LOS ANGELES, CA - JULY 07: Mariah Carey and Troy Lorenz perform during the Michael Jackson public memorial service held at Staples Center on July 7, 2009 in Los Angeles, California. Jackson, the iconic pop star, died at the age of 50 at UCLA Medical Center after going into cardiac arrest at his rented home on June 25 in Los Angeles. (Photo by Wally Skalij-Pool/Getty Images)