RIP

Acclaimed jazz bandleader Ken Peplowski has died ... and his sudden passing occurred right before he was to play on a cruise already at sea, TMZ has learned.

A passenger on The Jazz Cruise tells TMZ ... the renowned clarinetist and saxophonist died yesterday. Ken was supposed to play on the cruise in the late afternoon with a quartet ... and was a no-show. A search ensued and he was found dead inside his cabin. His death was announced prior to the big band main feature concert later that night. The ballroom was shocked ... with a lot of gasps and then silence.

A statement from the niche cruise's executive director, Michael Lazaroff, reads in part ... "He was a great musician, but he was also one of the very best entertainers ever. I do not know any musician who respected the bandstand more than Ken. He was always prepared, love performing with his fellow musicians, and, man, could he play!"

Ozzy Osbourne definitely stopped by the Grammys on Sunday, his widow Sharon says ... telling fans she felt her late husband's presence during Post Malone's tribute.

The singer-songwriter shared a clip Monday from music's biggest night ... which captured Posty belting out Black Sabbath's hit song "War Pigs" while legendary guitarist Slash backed him up.

The clip cuts between the performance and Osbourne's emotional family looking on with tears streaming down their faces.

Chuck Negron -- one of the founding members and frontman of rock band Three Dog Night -- has died.

The singer died on Monday at his home in Studio City, CA surrounded by family, according to his obituary. A cause of death has not been immediately revealed, but the singer battled chronic obstructive pulmonary disease (COPD), for decades, and suffered from heart failure at the end of his life.

Negron was born in 1942 and raised in the Bronx, New York, and moved to Los Angeles to play basketball for California State University. During this time, he explored music as he had grown up singing in doo wop groups.

Alex Pretti's shooting death in Minnesota has officially been classified as homicide ... according to the medical examiner in the case.

A new document from the Hennepin County Medical Examiner says Pretti's manner of death is homicide.

The doc, obtained by TMZ, lists "multiple gunshot wounds" as the cause of death ... and under the section "how injury occurred" medical examiner Dr. Andrew Baker wrote, "Shot by law enforcement officer(s)."

Snoop Dogg is speaking out after suffering an unimaginable family tragedy ... the death of his 10-month-old granddaughter, Codi.

The rap legend showed public support for his daughter, Cori Broadus, after she revealed her baby girl passed away just three weeks after being released from the NICU, following a 10-month stay in intensive care. Snoop shared a family photo on Instagram Saturday that included Cori, keeping his message short but heartfelt with sparkling heart and praying hands emojis.

Fans immediately flooded the comments with condolences, prayers, and messages of love for the grieving Broadus family.

Snoop Dogg's 10-month-old granddaughter Codi has passed away ... this according to his only daughter, Cori Broadus.

Cori announced the news Saturday afternoon ... sharing a black-and-white photo where she's grinning and lovingly holding Codi in her arms.

She writes that Codi -- the "love of her life" -- passed away Monday ... adding an angel wing emoji to the post.

Grady Demond Wilson -- best known for playing Lamont Sanford, the son of Fred Sanford on the NBC sitcom "Sanford and Son" -- has died.

Wilson's son, Demond Wilson Jr., tells TMZ ... he was pronounced dead Friday morning at his home in Palm Springs, California. He passed away from complications related to cancer.

Demond Jr. didn't reveal the type of cancer he had. He told us ... "I loved him. He was a great man."

Steve Martin and Martin Short raised a glass to Catherine O'Hara during their comedy show Friday night, just hours after TMZ broke the news of her death.

Check out the sweet tribute -- they had an image of the late actress on a screen during their 'Best of' tour stop in Austin, Texas, as Martin doted over her as "the greatest, most brilliant, kindest, sweetest angel" they had ever worked with.

They raised their glasses and clinked them in her honor as the audience erupted in cheer.

Michael "5000" Watts, a powerhouse DJ and producer from Texas, has died.

His family announced the news Friday, revealing he had developed a fatal heart rhythm called Torsades de Pointes, which caused a sudden cardiac death. He died surrounded by loved ones, his family said.

His family alerted fans on Wednesday that he had been hospitalized due to "some tremendous health issues" and asked for prayers.

Catherine O'Hara -- famous for her work in "Schitt's Creek," "Home Alone," and "Best In Show" -- is dead ... TMZ has learned.

The legendary Hollywood actress died Friday, two sources with direct knowledge tell TMZ.

O'Hara's agency, CAA, later confirmed the news by saying she died at her home in Los Angeles's Bentwood area “following a brief illness." The cause of death is unclear.

Catherine O'Hara suffered a medical emergency at her Los Angeles home Friday ... and dispatch audio obtained by TMZ reveals she was having difficulty breathing before being rushed to the hospital.

First responders were called to the actress' Brentwood home around 5 AM Friday and O'Hara was then transported to a hospital, where she was listed in serious condition, according to the Los Angeles Fire Department. Hours later, the legendary actress was pronounced dead.

TMZ broke the story ... multiple sources told us O'Hara passed away. A cause of death hasn't been revealed. Page Six was first to report the news of her hospitalization.

Catherine O'Hara's death has spurred numerous celebrities to share loving posts about the iconic star ... with Pedro Pascal, Constance Wu, LeAnn Rimes, and more taking part.

Stars are posting older pictures of O'Hara ... sharing their feelings of heartbreak and -- in the case of Wu -- calling her one of her generation's finest actors.

Pascal shared a photo with O'Hara from the set of "The Last of Us" ... with the two embracing and grinning for the camera.

Macaulay Culkin is reacting to the sudden death of his "Home Alone" costar Catherine O'Hara ... and he's lamenting the fact he won't see her again in this life.

The "Home Alone" star took to Instagram on Friday to share a tribute to Catherine, who played his mom in the two original Christmas classics.

Macaulay shared a photo of him and Catherine from the end of the OG "Home Alone" and another shot of them later in life, from the same angle as the movie still.

Hulk Hogan's beautiful Florida home is going up for sale ... six months after the wrestling legend passed away, TMZ Sports has learned.

The Clearwater Beach pad was Hulk's haven since 2012 ... and it's not hard to understand why.

The 5,400-square-foot estate sits right on the sand and offers incredible views of the Gulf of America.

Lizzo is taking the sudden death of Beauty 2 The Streetz founder Shirley Raines pretty hard ... and she's wearing her emotions on her sleeve.

The "Truth Hurts" singer took to social media Wednesday to react to Ms. Shirley's passing ... and the tears started flowing as Lizzo spoke about Shirley on camera.

As we reported ... the viral social media star was found dead Tuesday night in Nevada, where she was discovered unresponsive next to her bed during a wellness check. Her sister told us Shirley had been healthy and was not on any medication.

Shirley Raines -- the founder and CEO of Beauty 2 The Streetz known as Ms. Shirley -- has died ... TMZ has learned.

Shirley's twin sister Sheila tells TMZ … the viral social media star was found dead in her Nevada home Tuesday night ... she was discovered unresponsive next to her bed during a wellness check. Sheila says Shirley had been healthy and was not on any meds.

Sheila says the entire family is shocked ... they're waiting on autopsy results, but she says no foul play is suspected.

Beauty 2 The Streetz -- which has 1.1 million followers -- announced Ms. Shirley's death on Instagram Wednesday ... "It is with profound sorrow and heavy hearts that Beauty 2 The Streetz announces the passing of our beloved CEO and founder, Shirley Raines, affectionately known to so many as Ms. Shirley."