Rick Springfield, Harry Connick Jr. and More Celebrities Mourn David Cassidy's Death

Rick Springfield, Harry Connick Jr. and More Celebrities Mourn David Cassidy's Death

Hollywood actors and musicians are mourning the loss of David Cassidy, who died from organ failure Tuesday in Fort Lauderdale, Florida. He was 67.

Cassidy’s famous friends and fans expressed their condolences on social media following the news of the Partridge Family actor’s passing.

“On behalf of the entire Cassidy family, it is with great sadness that we announce the passing of our father, our uncle, and our dear brother, David Cassidy,” his family said in a statement to PEOPLE. “David died surrounded by those he loved, with joy in his heart and free from the pain that had gripped him for so long. Thank you for the abundance and support you have shown him these many years.”

Singers Rick Springfield, Harry Connick Jr. and Brian Wilson all took to Twitter to share photos and messages of Cassidy.

“So sorry to hear about David Cassidy’s passing. Godspeed,” Springfield wrote.

In addition, Rosie Perez, Carnie Wilson, Marie Osmond and Marlee Matlin shared their fondest memories of the late star.

Most poignantly, Cassidy’s nephew, Jack, was the first family member to address fans and followers of the death.

“Thank you all for the love and support your giving my uncle, my family, and me… The responses have been sincerely beautiful!” the 19-year-old singer/songwriter tweeted.

In a follow-up tweet, he also wrote: “My uncle David Cassidy has sadly passed away tonight… & in the process of mourning I can’t help but thank God for the joy that he brought to countless millions of people! I don’t think I’m alone in saying that we will all miss him. God Speed!”

Other celebrities who remembered Cassidy included Tom Arnold, Diane Warren, Richard Marx, Kevin Smith and Gloria Gaynor.

Cassidy is survived by his son Beau with ex-wife Sue Shifrin-Cassidy; his daughter Katie; his brothers Shaun, Patrick and Ryan; step-mother Shirley Jones; and numerous nieces, nephews and cousins. Plans for a memorial service will be announced at a later date.