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Celebrities are reacting to the death of Kriss Kross rapper Chris Kelly, who died on Wednesday night after reportedly being found "unresponsive" in his Atlanta home. He was 34.

Kelly, better known as "Mac Daddy," was one-half of the popular 90s rap group. Just after their live "American Idol" episode ended, both Nicki Minaj and Randy Jackson took to Twitter to express their condolences. Nicki wrote that she was "so sorry" to hear the news and was "sending love to his family."

Fellow rappers Timbaland, Big Boi, Ludacris, 2 Chainz, The Roots' Questlove, MC Hammer, Russell Simmons, and radio personality JoJo Wright all were among the first to tweet their reactions of the rapper's death.

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