We were saddened to hear that Adam Yauch, one third of the Beastie Boys and one of hip-hop's most influential voices, passed due to cancer.
Sharing in our grief was the Twitter community, who instantly sent tweets showing their respect.
Here are some of the most memorable tweets from our favorite celebrities since we broke the tragic news.
Rev Run gave a heartfelt response:
Qustlove, from The Roots, kept to straight to the point.
Ex-A Tribe Called Quest member Q-Tip showed his respects.
Actor and director Eli Roth had something to say.
A Tweet from the legendary rock group Duran Duran
Ex-Limp Bizkit frontman Fred Durst tweeted out his respects.
Chemical Brothers electronic music band sent out a Tweet.
The band One Republic tells their followers how "untouchable" he was.
Internet website YouTube showed their respect.
Alanta rapper Pill had something to say about one of his idols.
Pop star Michelle Branch gave her two cents.
Last Call with Carson Daly host Carson Daly Tweeted this out.
American rock musician Uncle Kracker talked about how the Beastie Boy's first album influenced him.
Ice-T is from the same era of the Beastie Boys.
Def Jam is the label that first signed the Beastie Boys.
Westcost gangsta group Cypress Hill showed their respect.
Justin Timberlake called Adam a “pioneer.”
MC Hammer kept it short and sweet.
The O.G. Bub B Tweeted about the original rap O.G.
UFC President, Dana White, was "bummed" by Adam's passing.
Donald Glover, also known as Childish Gambino, sent his respects.
Common said "God Bless the soul of Adam Yauch."
Rock band Jimmy Eat World was "saddened."
Kevin Liles was once President of Def Jam.
Fab 5 Freddy just shared a beautiful story with us on Facebook. He also shared his thoughts on Twitter
Senator Chuck Schumer had a nice Tweet.
Talib Kewli Tweeted about how Beastie Boys changed his life.
"The Don" Nas sent a salute to Adam.
The Office star Rainn Wilson Tweeted his thoughts.