Lisa Marie Presley, daughter of rock great Elvis Presley who was married to Jackson in the mid-1990s, said in a statement: ‘I am so very sad and confused with every emotion possible. I am heartbroken for his children who I know were everything to him and for his family. This is such a massive loss on so many levels, words fail me.’ In photo: Singer Lisa Marie Presley attends the Elvis ‘68 Comeback Special 40th Anniversary Celebration screening as part of the Twenty-Fifth Annual William S. Paley Television Festival at the Cinerama Dome on March 14, 2008 in Hollywood, California.

Rapper Chuck D of Public Enemy told Reuters that Jackson had raised standards of music and performance to new heights, but was a victim of the culture of celebrity. ‘Jackson probably died of a broken heart and a broken soul. … He was a victim of the drug of celebrity and he was never trained to wean himself off it.’ In photo: Rapper Chuck D from the group Public Enemy performs during the 2007 BET Awards held at the Shrine Auditorium on June 26, 2007 in Los Angeles, California.

Music producer Quincy Jones, who collaborated with Jackson on three of his best-selling albums, ‘Off the Wall,’ ‘Thriller’ and ‘Bad,’ said: ‘I am absolutely devastated at this tragic and unexpected news. For Michael to be taken away from us so suddenly at this young age, I just don’t have the words.’ Jones added: “He was the consummate entertainer and his contributions and legacy will be felt upon the world forever. I’ve lost my little brother today and part of my soul has gone with him.” In photo: American music conductor Quincy Jones walks on the red carpet during the opening ceremony of the 12th Shanghai International Film Festival on June 13, 2009 in Shanghai, China.

Representatives for actress Elizabeth Taylor, a close friend of the Grammy-winning performer, said she was ‘too devastated by the passing of her dear friend Michael Jackson to issue a statement at this time.’ In photo: Dame Elizabeth Taylor attends the Macy’s Passport 2008 Gala held at Barker Hangar on September 26, 2008 in Santa Monica, California.

Actress Brooke Shields, another longtime friend of the “King of Pop,” said: “My heart is overcome with sadness for the devastating loss of my true friend Michael. He was an extraordinary friend, artist and contributor to the world. I join his family and his fans in celebrating his incredible life and mourning his untimely passing.” In photo: Actress Brooke Shields attends the ‘Suncare Awakening: Seeing is Believing’ Launch Party at the Thompson Hotel on May 21, 2009 in Beverly Hills, California.

Pop star Madonna said in a statement: ‘I can’t stop crying over the sad news. … I have always admired Michael Jackson. The world has lost one of the greats but his music will live on forever. My heart goes out to his three children and other members of his family. God bless.’ In photo: Madonna visits the village of Mugulula on April 3, 2009 on the outskirts of Lilongwe, Malawi. Her visit was a gesture of her continued commitment to the local community through her Raising Malawi foundation. Madonna today had her application to adopt Mercy James denied.

Singer Justin Timberlake, who has called Jackson his idol and a strong influence on his own career, told the celebrity Web site TMZ.com: ‘I can’t find the words right now to express how deeply saddened I am by Michael’s passing. We have lost a genius and a true ambassador of not only pop music but of all music.’ ‘He has been an inspiration to multiple generations and I will always cherish the moments I shared with him on stage and all of the things I learned about music from him.’ In photo: Justin Timberlake attends Game One of the Western Conference Finals during the 2009 NBA Playoffs between the Los Angeles Lakers and the Denver Nuggets at Staples Center on May 19, 2009 in Los Angeles, California.

Former Guns N’ Roses guitarist Slash, who performed Jackson’s 1991 hit ‘Black or White,’ said: ‘Really sad news about Michael. He was talent from on high.’ In photo: Guitarist Slash launches the new Gibson USA and Epiphone Slash Signature Les Paul model guitars at Sam Ash Music Store on October 7, 2008 in Los Angeles, California.

Singer and Jackson friend Liza Minnelli told Entertainment Tonight: ‘He was a kind, genuine and wonderful man. He was also one of the greatest entertainers that ever lived. I loved him very much and I will miss him every remaining day of my life.’ In Photo: American actress and singer Liza Minnelli attends The Astaire Awards benefiting the Auditory Oral Foundation at The Fashion Institute of Technology on June 1, 2009 in New York City.

Filmmaker Steven Spielberg told Entertainment Weekly magazine: “Just as there will never be another Fred Astaire or Chuck Berry or Elvis Presley, there will never be anyone comparable to Michael Jackson. His talent, his wonderment and his mystery make him legend.” In photo: Filmmaker Steven Spielberg attends the PEOPLE-TIME-FORTUNE-CNN White House Correspondent’s dinner cocktail party at Hilton Hotel on May 9, 2009 in Washington, DC.

Disco star Donna Summer, in an interview with a news channel, said Jackson’s death came as a ‘total shock.’ Of Jackson’s talents as a performer, Summer said: ‘His greatness was perfection. Michael was one of those people who wouldn’t stop until he was perfect and he would keep going after that.’ In Photo:Former Disco Queen Donna Summer discussed, performed, posed for photos and signed copies of her cd, CRAYONS, during ‘The Experience With Donna Summer’ at the Harold Washington Cultural Center in Chicago on May 24, 2008.

Spoon-bender Uri Geller, long a close friend of Jackson, said of the entertainer’s life and death: ‘He lost his childhood, it was gone, finished. And then the trauma of suddenly becoming so famous, becoming a legend, becoming a millionaire, this is hard.’ In photo: Uri Geller poses during a photocall for his new show ‘The next Uri Geller - Unglaubliche Phenomene Live’ on January 6, 2008 in Cologne.