Tony Bennett dead at 96: Carrie Underwood, Fran Drescher and Elton John react to iconic singer's passing

In his decades-long career, Tony Bennett collaborated with artists like Amy Winehouse, Carrie Underwood and Lady Gaga. Frank Sinatra was also an admirer of the star.

Publicist Sylvia Weiner confirmed Bennett’s death to The Associated Press, saying he passed away in his hometown of New York. While there was no specific cause revealed, Bennett was diagnosed with Alzheimer’s disease in 2016. Today marks the end of an era, as we say farewell to Tony Bennett. A true star, a true gentleman and a wonderful friend and mentor to Amy. Thank you for the music Tony. Our love and heartfelt condolences to all his family and friends. #TonyBennett @itstonybennett pic.twitter.com/bcoEu7r0No The great Tony Bennett has passed away at the age of 96. He was the last of his kind, a master of the American songbook. He may have left his Heart in San Francisco, but he won all of our hearts, from Sinatra to Lady Gaga. Be at peace, and sing to us now from the stars, Tony. Stephanie Nolasco covers entertainment at Foxnews.com.

"Tony left us today but he was still singing the other day at his piano and his last song was, 'Because of You,' his first #1 hit," his official Instagram revealed. "Tony, because of you we have your songs in our heart forever." A post shared by Tony Bennett (@itstonybennett) A post shared by Elton John (@eltonjohn) A post shared by Keith Richards (@officialkeef) A post shared by Carrie Underwood (@carrieunderwood) A post shared by Michael Bublé (@michaelbuble) A post shared by Billy Joel (@billyjoel) A post shared by Ozzy Osbourne (@ozzyosbourne)