The death of Beastie Boys star and hip-hop icon Adam Yauch at age 47 has prompted many tributes - including on social media - from those who he has worked with and influenced.
Russell Simmons: "Adam was incredibly sweet and most sensitive artist who I loved dearly and was always inspired by his work. He will be missed by all of us."
Def Jam Records: "Man...that one hurts. Our prayers go out to Adam Yauch and his family. #MCA #BEASTIEBOYS Rest Well."
Rev Run of Run DMC: "R I P Adam... I'm devastated. Praying for Adam Yauch's family from the legendary Beastie Boys. Youll be missed!.
Fred Durst of Limp Bizkit: "A very sad day indeed. Adam Yauch RIP."
Hayley Williams of Paramore: "RIP ADAM MCA YAUCH"
Kurt Loder of MTV: "RIP Adam Yauch"
Questlove of The Roots:: "Yauch is gone. f**k."
Boy George: "Such sad news about Beastie Boy Adam Yauch. A fellow Buddhist and part of hip hop history!! R.I.P!"
Doctor Who composer Murray Gold:: "Oh God no...Adam Yauch aka MCA The Beastie Boys has gone...horrible horrible horrible RIP..."
Busy Phillips:: "RIP Adam Yauch- gone way too soon. My heart goes out to his wife and daughter."
Bones star David Boreanaz:: "R.I.P. Adam Yauch. Was all about the Beastie Boys on cassette on the Boom box down at the Jersey shore. True artist."
Sue Perkins: "RIP the amazing Adam Yauch x"
Justin Timberlake:: "Crushed to hear the news of Adam Yauch's passing. A true pioneer of art. My thoughts and prayers are with his family and loved ones."
Community star Donald Glover: "Adam Yauch was an amazing artist and one of the nicest people I've ever met. His music was some of my favourite. Truly saddened. RIP MCA."
Snoop Dogg: "RIP MCA U are a Legend and a pioneer. #BeastieBoys4life"
Duran Duran: "Rest in Peace Adam Yauch. Our condolences to your friends and family"
The Backstreet Boys: "Rip MCA - out thoughts are with you and your family."
Matchbox Twenty's Rob Thomas: "holy s**t. R.I.P. ADAM YAUCH. MCA, you will be missed."
Perez Hilton: "Beastie Boy #AdamYauch Passes Away At 47 So sad. :-("
Jordan Knight of New Kids on the Block: "Adam Yauch aka MCA.... You were a huge inspiration for us....thank you for all that you gave, R.I.P."
The Office's Rainn Wilson: "RIP Adam Yauch (MCA of the Beastie Boys). He was a super-genius, a visionary and, most importantly, a really good person."
will.i.am of the Black Eyed Peas: "#restinpeaceMCA 1 of my favourite hiphop groups...hiphop raised a lot of us & now we have to wake up because are hero's are dying too young"
Marlon Wayans: "Please join me in my twitter moment of silence for a hip hop great Adam Yauch of the Beastie Boys. Thank I 4 all u done bro"
John Taylor of Duran Duran: "Shocking, sad news of the death of Adam Yauch. An extraordinary guy- musician, artist, mensch. My heart goes out to those close to him."
Joe Satriani:: "R.I.P. Adam Yauch"
Chynna Phillips: "Sad news to hear about the passing of Adam Yauch. Musical Genius. Visionary. Humanitarian. Heaven's choir now has a beautiful beat."
Cypress Hill: "Deepest condolences 2 the family of Adam Yauch & the Beastie Boys. Adam was the coolest dude ever& will b missed but memory will live on"
Milla Jovovich: "We lost one of our greatest talents today. my prayers and thoughts go out to the family and friends of Adam Yauch. Beastie Boys for life"
Pete Wentz of Fall Out Boy: "Beastie boys paved the way for so many who came after. #RIPMCA."
Adam Shankman: "Thank you MCA and rest in peace. Ill always fight for my right to party"
Benji Madden of Good Charlotte: "This news hits hard. The Beastie Boys are 1of the reasons I do music&MCA was the captain. Thanx for everythin MCA. Rest in Peace"
Michelle Branch: "Just heard about Adam Yauch. Beyond bummed. So so so sad."
Lance Armstrong: "Crushed to hear the news of Adam Yauch's passing. #RIPMCA."
Josh Groban: "Oh no. This just sucks beyond measure. RIP MCA."
Ice T: "Another very sad day in Hip Hop. #MCARIP."
Q Tip: "RIP Yauch and thank u Mike and Adam n Adam 4 all of your help, the tours, the bball games, n great times. a humanitarian a tru friend."
Common: "God Bless the soul of Adam Yauch aka MCA of the Beastie Boys. RIP
Carson Daly: "God Bless his family"
Bryan Greenberg: "SAD! The Beasties helped mold me. As a teen my bedroom was covered with their posters. R.I.P.# AdamYauch the Buddhist Beastie Philosopher."
Eli Roth: "RIP Adam Yauch
Sex and the City's Gilles Marini: "RIP Adam Yauch . Man what a pioneer ! You will be missed ! F*#&%^$ Cancer :("
Martha Quinn, original MTV VJ: "Oh I am so sorry. Beastie Boys Adam Yauch dies at age 47"
Krist Novoselic of Nirvana: "Adam Yauch #RIPMCA. Thank you for Sabotage bass riff and many other great grooves. Adam also worked for justice and peace consciousness."
MC Hammer: "R.I.P. Adam Yauch Beastie Boys #RIPMCA"
Mandy Moore: "Sending energy and light to Adam Yauch's loved ones."
Samantha Ronson: "Wow- RIP Adam Yauch- #MCA."
Jamie Kennedy: "Rest in Peace Adam Yauch. He made everything a little more Beastie. No MCA, no B-Rad.
The Avengers' Clark Gregg: "Really sad about the loss of this excellent fellow"
Kate Walsh of Private Practice: "Oh no. So sad"
Sheryl Crow: "Very sad to hear of Adam Yauch's death today. He's finally at peace - Adam was a remarkable human being, my boys and I will miss his gentle spirit and his love of life. Our loving thoughts are with his wife, daughter and parents at this time."