"I can't stop crying, this is too sudden and shocking. I am unable to imagine this. My heart is hurting. I am in prayer for his kids and the family." —Diana Ross
"It is always hard to lose a friend. I will miss Michael and all that he brought to the world through his music and his creative genius. I know his legend will live on and the world will miss him dearly." —Smokey Robinson
"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." —Liza Minnelli
"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 and the time we spent together. My heart goes out to his family and loved ones." —Justin Timberlake
"I am absolutely devastated at this tragic and unexpected news. For Michael to be taken away from us so suddenly at such a young age, I just don't have the words. Divinity brought our souls together on 'The Wiz' and allowed us to do what we were able to throughout the '80s. To this day, the music we created together on 'Off The Wall,' 'Thriller' and 'Bad' is played in every corner of the world and the reason for that is because he had it all — talent, grace, professionalism and dedication. 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." –Quincy Jones
"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." —Madonna
"I knew Michael very well. He was a special guy. He was with me many times. So many unbelievable weekends took place with Michael, especially in Palm Beach, Florida … Michael did a lot for charity and if I ever needed him…he'd always be there." —Donald Trump
"I am heartbroken. My prayers go out to the Jackson family, and my heart goes out to his children. Let us remember him for his unparalleled contribution to the world of music, his generosity of spirit in his quest to heal the world & the joy he brought to his millions of devoted fans throughout the world. I feel blessed to have performed with him several times & to call him my friend. No artist will ever take his place. His star will shine forever." —Mariah Carey
"The news of the passing of Michael Jackson comes as a heartbreaking shock for me. Michael was a friend and undoubtedly one of the world's greatest entertainers that i fortunately had the pleasure of working with." —Dionne Warwick
"I feel privileged to have hung out and worked with Michael. He was a massively talented boy man with a gentle soul. His music will be remembered forever and my memories of our time together will be happy ones. I send my deepest sympathy to his mother and the whole family and to his countless fans all around the world." —Paul McCartney
"The world lost two unbelievable talents in one day. There are no words that can express the sadness I feel in my heart. My condolences go out to his family." —Tatum O'Neal
"I come to you today with great sadness, acknowledging the loss of the greatest entertainer in the history of mankind. For me he was more than that, he was my idol, he was a role model, he was someone to cry to when my childhood was unbearable, he was a brother, he was a dear friend." —Corey Feldman
"Michael Jackson was my generation's most iconic cultural hero. Courageous, unique and incredibly talented. He'll be missed greatly." —Russell Simmons
"Michael was a pop phenomenon who never stopped pushing the envelope of creativity. Though there were serious questions about his personal life, Michael was undoubtedly a great entertainer and his popularity spanned generations and the globe." —Arnold Schwarzenegger
"It was a tremendous shock … I remember him on the Joey Bishop show years ago, he must have been nine or 10 years old and I've been watching him ever since. He came on the show and just electrified people. It's a big loss." —Regis Philbin
"I am full of grief." —Whitney Houston
"I am shocked and saddened by Michael's passing. I, along with his millions of fans, looked forward to seeing him tour one more time. Now, may he rest in peace." —Tina Turner
"Michael Jackson is the reason why I do music and why I am an entertainer. I am devastated by this great loss, and I will continue to be humbled and inspired by his legacy. My prayers are with his family. Michael will be deeply missed, but never forgotten. He's the greatest…the best ever. No one will ever be better." —Chris Brown