RIP

Allison Holker going on a media blitz to promote her upcoming memoir is sparking a family feud ... with relatives and friends of the late Stephen "tWitch" Boss going after his widow for labeling him a drug user.

The infighting is playing out right now on social media in the wake of Allison's new interview with People ... and tons of dirty laundry is being aired online.

Courtney Ann Platt, who was friends with tWitch and Allison, fired the first shot Tuesday ... with a long rant on Instagram blasting Allison for telling the media she allegedly found a stash of drugs in tWitch's shoeboxes before his funeral.

The man accused of killing NHL superstar Johnny Gaudreau and his little brother last year just pleaded not guilty to the criminal charges against him.

Sean Higgins issued the pleas in a New Jersey court room at a post-indictment arraignment on Tuesday morning ... turning down an offer from prosecutors that would have resulted in a 35-year prison sentence.

The case will now move toward a trial -- although Higgins is due back in court for additional proceedings in February.

Barstool Sports founder Dave Portnoy just revealed one of his employees has passed away at just 32 years old after a battle with cancer ... sharing a heartfelt tribute to Jonathan Stanko.

Portnoy issued his condolences on Tuesday ... saying Stanko was beloved during his time at the outlet's New York offices for nearly four years, which he admitted was "very rare at Barstool."

"It's the 1st time we've had to deal with something this heavy in the 20 years of Barstool," Portnoy said on social media. "A cruel reminder not to take a day for granted because tomorrow isn’t promised to anybody. #stankostrong."

Peter, Paul and Mary singer Peter Yarrow is dead after a long battle with cancer ... TMZ has confirmed.

Peter died Tuesday at his home on Manhattan's Upper West Side ... according to his publicist, Ken Sunshine, who tells us Peter's cause of death was bladder cancer.

We're told Peter was diagnosed with cancer four years ago, and battled the disease until his death.

Richard Cohen, Meredith Vieira's husband of 38 years, has died following a decades-long battle with multiple sclerosis.

The "Today" show, where Meredith served as co-anchor between 2006 and 2011, announced Richard's passing Tuesday morning ... confirming Richard -- a fellow newsman -- had died on Christmas Eve while surrounded by his family.

"Today" co-anchor Savannah Guthrie said Meredith is "in really good spirits" ... with Hoda Kotb also revealing the family was happy to get an extra month with Richard when the family became very concerned about his health at Thanksgiving.

Late New York socialite Jocelyn Wildenstein, often referred to in the media as "Catwoman" due to her surgically enhanced cat-like features, is going to be cremated ... and her remains are going overseas.

Jocelyn's fiancé, Lloyd Klein, tells TMZ ... she will be remembered in a small and private funeral in Paris and after she's cremated her ashes will be taken to her ranch in Kenya.

We're told Jocelyn's final resting place will be near family ... her father is buried at the same African ranch, and her mother's ashes are there as well.

Jocelyn's fiancé says she loved Kenya ... so it's fitting that's where her ashes are going to wind up.

Aubrey Plaza is breaking her silence on her husband's sudden death ... calling Jeff Baena's passing an "unimaginable tragedy."

In her first public comments on her loss, Aubrey and their families add ... "We are deeply grateful to everyone who has offered support. Please respect our privacy during this time."

Monday's statement comes after Aubrey skipped the Golden Globes in the wake of her director hubby's death.

Luca Meixner -- a member of German soccer club SSV Reutlingen 05 -- has tragically died at 22 years old.

The football org. announced the heartbreaking news over the weekend, stating Meixner "passed away unexpectedly" on Dec. 27.

Further details surrounding his death were not released.

Aubrey Plaza didn't join the ranks of numerous celebrities at the Golden Globes Sunday night ... skipping the ceremony two days after her husband passed away.

Numerous celebrities packed the Beverly Hilton Hotel in Beverly Hills for the 82nd iteration of the ceremony ... but, Aubrey wasn't among them -- and, it's pretty clear why.

Plaza was originally scheduled to present an award ... though it's unclear which one or who filled in for her.

The Vivienne -- a fan favorite on "RuPaul's Drag Race UK" -- has died.

The reality TV star's publicist, Simon Jones announced the news on Instagram on Sunday writing ... "It is with immense sadness that we let you know our beloved James Lee Williams - The Vivienne, has passed this weekend."

The rep went on to say ... "James was an incredibly loved, war-hearted and amazing person. Their family are heartbroken at the loss of their son, brother and uncle. They are so proud of the wonderful things James achieved in their life and career."

Mike Rinder -- a former higher-up in Scientology who became an outspoken critic of the religion -- has died ... according to an Instagram post from his wife.

Christie King Collbran revealed the news in an emotional Instagram post Sunday ... saying she feels sadness and pain at his passing though his courage and integrity will continue to inspire many for years to come.

Collbran says Rinder was a stable force in the lives of those who knew him ... before adding the "world will remember you."

Former NBA player Barry Kramer -- the sixth overall pick to the San Francisco Warriors in the 1964 draft -- has died at 82 years old.

The 6'4", 200-pound forward was a star at the high school and collegiate level ... earning top accolades in the country at Linton in Schenectady, New York. During his senior season, he was teammates with legendary NBA coach, player and executive Pat Riley.

Kramer thrived at NYU -- where he had a career-best 29.3 points a game during his junior season in 1963.

Molly Shannon shared a touching tribute for her close friend and collaborator, Jeff Baena just two days after the director was found dead in his Los Angeles home.

The actress posted a series of photos Saturday of the two of them with the caption marked simply by a 💔 emoji.

Molly starred in Baena's films "The Little Hours" and "Life After Beth," alongside his wife, Aubrey Plaza. Her post highlights the bond and close friendship the three built and shared through the years.

Filmmaker Jeff Baena -- best known for directing films like "Life After Beth" and "The Little Hours," and the husband of Aubrey Plaza, has died ... TMZ has learned.

Law enforcement sources tell TMZ ... police and fire responded to a Los Angeles-area home Friday around 10:30 AM for a death investigation ... after an assistant discovered him dead.

Baena was pronounced dead at the scene ... law enforcement says he died by suicide.

Nicole Kidman got emotional during an acceptance speech at the Palm Springs International Film Awards ... and even started crying as she dedicated her award to her late mother.

The Oscar-winning actress was given the International Star Award for her latest movie, "Babygirl," by film legend Jamie Lee Curtis at Friday's festival in California.

Nicole stepped up to the mic onstage to say a few words -- and almost immediately began talking about the death of her mom, Janelle, in September.