Nurse!

Russian circus trainer Sergei Prichinich is lucky to be alive after his nearly 500-lb bear costar, named Donut, recently went full attack mode during a recent live show.

In a video making the rounds online ... Sergei and Donut are entertaining a crowd of parents and children, with the brown bear riding a hoverboard near her trainer in an enclosure.

The act soon goes horribly wrong ... Donut jumps off the hoverboard and sprints after Sergei, tackling the trainer and pinning him to the ground for over a minute -- to the horror of the crowd -- aggressively whipping its head back and forth as Prichinich calmly defends himself with a baton.

Elle Macpherson is sharing her breast cancer diagnosis for the first time ... which she received over 7 years ago, and she's rejecting conventional treatment.

The supermodel will not undergo chemotherapy ... so she says in her upcoming memoir, "Elle: Life, Lessons, and Learning to Trust Yourself." She's choosing a holistic approach ... upsetting some loved ones in the process.

Elle, who is now in remission, talks about her unconventional choice while promoting her new book in Women's Weekly ... calling her diagnosis of ductal carcinoma in situ "a shock."

Zac Efron was back in the public eye at Sunday’s Venice International Film Festival — weeks after a swimming pool accident landed him in the hospital.

The actor popped up at the festival's amfAR gala with other A-listers to support the nonprofit organization’s efforts to combat AIDS through research and education.

Check out these photos … Zac wore all black — looking spiffy in his suit, dress shoes and dark shades.

He seemed to be in great spirits, flashing smiles for the cameras, while also laughing it up with Richard Gere.

Tamra Judge is showing fans how to keep things highbrow ... documenting her most recent cosmetic surgery -- the good, the bad, and the ugly.

The "Real Housewives of Orange County" star looked worse for wear after the procedure ... but assured her fans it's all in the name of beauty and will soon look amazing.

The 56-year-old reality star -- who underwent a brow lift, CO2 laser and blue chemical peel -- shared post-operative updates via Instagram on the outcome of the process.

Roger O'Donnell -- the longtime keyboard player for The Cure -- has blood cancer ... revealing the startling news a year after he was first diagnosed.

The musician took to X Sunday for Blood Cancer Awareness month ... and, he says he wants to make sure people are having dialogues about these deadly diseases.

O'Donnell reveals he was diagnosed with lymphoma -- a type of blood cancer -- in September 2023 ... saying he'd ignored his symptoms for a while before finally going to see a doctor when he found out about the cancer.

Ricky Pearsall's lucky to be alive and has God to thank for shielding him from the bullets fired during Saturday's attempted robbery ... this according to his mom.

Erin Pearsall shared an update on her son's condition less than 24 hours after cops say a 17-year-old suspect shot him in the chest while trying to steal his Rolex watch in broad daylight.

In her Facebook post, EP confirms her son was shot in the chest -- the bullet exited out his back -- but, miraculously, the bullet missed all of his vital organs.

8/31 5:28 AM PT -- New video from the concert obtained by TMZ shows Isaac Freeman, aka Fatman Scoop, walking around the stage without a shirt on before he collapses.

7:45 PM PT -- Hamden Mayor Lauren Garrett said via social media that Fatman Scoop was being transported by ambulance to the hospital. "Please keep him in your thoughts and prayers."

Scary scene at the Fatman Scoop concert ... after he passed out onstage and got CPR ... and TMZ has it all on video.

The legendary hip hop hype man was performing Friday at Town Center Park in Hamden, CT when he appeared to suffer a medical emergency.

Folks who were there say Fatman Scoop collapsed and passed out ... with people rushing over to administer CPR. Authorities tell us they were dispatched for a medical emergency at 8:33 PM.

Ricky Pearsall, the 49ers 2024 first-round draft pick, was shot earlier today during an attempted burglary in San Francisco, the city's mayor announced.

23-year-old Pearsall is in stable condition at a local hospital ... after reportedly being shot in the arm around 3:30 PM.

The alleged shooter was caught at the scene and is currently in custody.

The harrowing incident went down Saturday afternoon in the Union Square area of downtown SF, according to SFPD.

Bill Maher is angry over Matthew Perry's death ... the actor who was the most visible drug addict in the world, who scored the drugs that killed him from his own doctors.

The "Real Time" host went off on doctors who fueled the fatal addictions of Perry, Michael Jackson, Prince, Tom Petty, Elvis, and on and on.

At the root of the problem -- $$$. Doctors make a fortune, and so do pharmaceutical companies, that pushed 145 BILLION Oxy and hydrocodone pills in the U.S. between 2006 and 2019, resulting in 210,000 fatal OD's.

Sid Wilson's getting right back on the horse ... saying he ain't missing Slipknot's show this Sunday -- even though he's still reeling from a bonfire gone very wrong.

The Slipknot DJ stopped by "TMZ Live" Friday to discuss his recent up close and personal encounter with a fire that heavily burned his arms and face in Iowa ... telling us he didn't take as many safety measures as he should have.

Wilson says he knew to keep the gas can away from the fire, to park his vehicle far away from the flames and a host of other fire safety tricks ... but, he got too impatient and didn't put enough distance between himself and the fire.

Sandra Bullock's walking "Speed" has taken a hit ... the actress is sporting a pair of crutches after suffering an undisclosed injury.

The Oscar winner was spotted leaving a physical therapy session in Santa Monica Wednesday ... leaning on a pair of crutches while walking with an aide to her car nearby.

The actress tried to keep a low profile ... wearing a New York Yankees baseball cap and a gray sweatsuit to her appointment.

Kamala Harris and Tim Walz had one helluva scare as their campaign rolled through Georgia on Wednesday when a motorcycle cop in their motorcade was critically injured in a crash.

The Democratic presidential candidate and her VP pick were part of a bus tour cruising along a highway in Savannah on Wednesday night when the motorcycle officer lost control and wiped out, without hitting another vehicle.

A photo taken at the scene captured 2 other officers assisting the injured cop -- with pools of blood on the ground.

A woman went to a laser hair removal company but got more than she bargained for ... suffering insane burns to two very sensitive areas of her body ... at least according to a new lawsuit.

Amy Romero is suing New You Laser claiming her laser hair removal appointment in February 2023 was a complete and utter disaster, resulting in burns to her underarms and vagina.

In the lawsuit, obtained by TMZ, Romero claims as soon as the procedure started she immediately felt a burning sensation she had never felt before ... and she complained to the technician about the pain.

Music producer Irv Gotti -- who has worked with the likes of Ja Rule, Ashanti and DMX -- has reportedly suffered a stroke ... hip hop legend Wack100 claims.

The famed talent manager shared the troubling update during a podcast episode Monday, in which Wack claimed he spoke with someone at a stroke recovery center regarding the Murder Inc. co-founder's health ... sharing Irv allegedly suffered a stroke.

A rep for Irv tells TMZ … "Irv has been struggling with diabetes for years, which caused him to have a minor stroke over six months ago. He has since changed his diet to eating more healthy. He's been successful in making a full recovery. Irv is not in a rehab facility. He is at home with his family, enjoying life."

A Cirque du Soleil artist had a super scary experience during her performance in Oregon over the weekend ... plunging to the floor from high above ... and it was all caught on video.

The cast member, Mariia Konfektova, was twirling around on her aerial hoop during Saturday night's Cirque du Soleil show at the Portland Exposition Center in Oregon.

Check out the footage ... Konfektova suddenly loses her grip on the large hoop and flips around in the air, before falling hard to the ground. Her head bounces off the floor and she looks around in a daze.

Rob "The Rabbit" Pitts -- star of Netflix’s "Tex Mex Motors" --  has died after a battle with stomach cancer ... TMZ has confirmed.

The car salesman said farewell in a YouTube video titled "This Is Goodbye (RIP 7/27/79 - 8/25/24)" ... and his videographer confirmed his death in the comments, writing, "I am with him now in Hospice. He just passed at 21:45 on 08/25/2024. He will be missed and we will never forget him!"

In his text-based farewell video, Rob shared he felt "off," and started experiencing symptoms like weight loss and acid reflux while filming "Tex Mex Motors" season 2 ... which his doctors finally diagnosed as stomach cancer.