"I truly hope he is memorialized as the '83 moonwalking, MTV owning, mesmerizing, unstoppable, invincible Michael Jackson." —John Mayer
"r.i.p. Michael Jackson *my love and prayers go out to the Jackson family.. 'you are not alone' -mj" —Lindsay Lohan
"I was mesmerized every time I watched Michael rehearse& then transform on stage- he was a magical genius and his legend will live on forever" —Paula Abdul
"just planted a tree in my backyard in honor for MJ RIP. I will miss him. I love you." —Brooke Burke
"Keep dancing." —Yoko Ono
"Love you Michael, you will truly be missed by the entire world. Your music will live on forever, truly timeless and iconic. Miss you :(" —Paris Hilton
Related: Leaders, superstars, fans mourn loss of king of pop
"It just doesn't feel real.. Everyone is walking around backstage saying "Have you heard?"." —Taylor Swift
"i got 2 stay at Neverland Ranch in 03- MJ listened to my song Stand, & showed me his closet w original costumes-those iconic clothes-amazing" —Jewel
Related: Michael Jacson Tribute — Celebrate his art, learn from his life
"Today was a sad day in music, but it was a sweet night. Sydney and I dedicated our evening to the memory and genius of Michael Jackson." —Pink
"For every Memory in your life that His music gave You may we all offer him dignity and respect as a token ? Respect The Dancer…RIP MJ" –MC Hammer
"I've always looked up to him & admired him its hard to be in the music industry and not have a piece of Micheal Jackson in u" —Lil' Kim
"My heart goes out to the entire Jackson Family." —Serena Williams
"If u enter this world knowing u r loved & u leave this world knowing the same,then everything that happens in between can be dealt with-MJ" —Jordin Sparks
"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" —Mariah Carey
"I have never felt this before in my life. I could measure my childhood 2 now on an mj growth chart. if this is true. Rip. The last legend." —Pete Wentz
"I'm looking at pictures of my 14th bday party at Neverland Ranch, these memories will last forever!" —Kim Kardashian
"michael jackson was my inspiration. love and blessings" —Miley Cyrus
"Michael Jackson showed me that you can actually see the beat. He made the music come to life!! He made me believe in magic. I will miss him!" —Diddy
"So sad to hear about Michael Jackson. His music changed our lives. The world has lost an amazing singer and dancer. I will miss him." —Ellen DeGeneres
"If it were not for Micheal Jackson I would not be where or who I am today.His Music and Legacy will live on Forever.Prayers to the famR.I.P." —Ludacris
"what a sad night! i am in shock over how sad i am about mj!" —Kelly Osbourne
"Now the ap confirms aswell. Rip Sending love and light to family and friend but especially his kids." —Ashton Kutcher
"Praying for the Jackson family" —Nicky Hilton
"It's days like this that put it all into perspective. If you're reading this right now, you are blessed to be alive. Hug your family." —Perez Hilton
"God rest his soul he will live on forever!" —Heidi Montag
"I have to say, the 6 of us from HSM were very lucky to have met such an amazing man. I will remember that moment forever. RIP Michael" —Ashley Tisdale
"this is just so sad !! I can't believe it! Shocking .." —Denise Richards
"'No one can hurt me now. Because I know it's true. That I believe in me. So you believe in you. Help me sing it' ~~ long live the KING" —Joseph Gordon Levitt
"His music is just as relevant now as it was the day they pressed record, I'm sure it will remain so for generations to come.R.I.P.Mr Jackson" —Samantha Ronson
"Very sad about king of pop. I feel weird." —Carson Daly
"RIP michael jackson and farrah fawcett. what a tremendous loss in one day…. thoughts and prayers with their families and loved ones…." —Mandy Moore
"Michael Jackson RIP You will be so missed. You will never be forgotten." —Emmy Rossum
"Remember the first time you saw him moonwalk? RIP Michael Jackson." —Alyssa Milano
"I am stunned. My friend, Michael Jackson is dead. He lived with me for a week on 'Golden Pond' set after 'Thriller.'" —Jane Fonda
"Terrible news about Michael Jackson and Farah Fawcett. My best to their friends, fans, and families." —Lance Armstrong
"Stop the gossip, stop the speculation. Take a moment for Micheal and remember his gift to us all. He was truly great. May he Rest in Peace." —Joel Madden
"Really sad news about Michael, he was a talent from on high." —Slash from Guns N' Roses
"We lost a great entertainer and a pop icon. My thoughts and prayers go out to Michael Jackson's family, friends and fans." —Arnold Schwarzenegger
"Listening to MJ at photoshoot when we all heard~ surreal." —Eliza Dushku