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Ozzy Osbourne is trying to make things right with Britney Spears after roasting her IG videos -- but he can’t resist tossing her a bit of dance advice.

The Black Sabbath rocker dropped his regret on Monday’s "The Osbournes Podcast" ... but still advised her to switch up her moves to make it less burdening to watch -- well, for him anyway.

Ozzy boldly vented, "It would be better if you didn't do the same f***ing dance every day. Change a few movements … I love Britney Spears, but it's the same dance every day!"

Lily Allen says James Corden used to be very friendly with her before he hit the big time -- so much so, in fact, that he came off as a little desperate ... according to her anyway.

The British singer opened up about her history with James on her "Miss Me?" podcast ... claiming the comedian used to beg to hang out with her and her friends back in the day.

Lily says it all started when James came on her old chat show way back in 2008 ... in her recollection, James was super flirty and they kinda became loose friends.

Two heroic teachers are fighting for their lives after being stabbed while trying to save kids at a Taylor Swift-themed party over in the UK.

Leanne Lucas sprang into action, getting kids to safety through a fire escape ... while her colleague Heidi Barlow locked others in a bathroom stall to protect them from the knife-wielding maniac who went on a rampage at the yoga and dance event in Southport Monday.

Both women are now critical condition -- with Leanne's aunt, Pauline Bennett, saying she's waiting to undergo surgery. She added all Leanne wanted to do was protect the kids, but given her small frame ... she didn't stand a chance against the knifeman.

New footage shows a UK man pacing in front of a house 20 minutes before Monday's horrific knife attack at a Taylor Swift themed dance class -- a house that was raided by cops after the massacre.

Check out the video obtained by ITV -- a young man in a green hoodie is seen pacing back and forth in the front of a home.

The attack left 3 children dead, 5 other kids in critical condition. Two adults are also in critical condition.

Democratic big wigs are attempting to corral A-list celebs to show face at the Democratic National Convention -- and one person we know they've locked down is John Legend.

Sources with direct knowledge tell TMZ ... John is all in for an appearance at the convention in Chicago in a few weeks -- and while we know he's going to be participating front and center ... it's still a little hazy on how exactly he'll contribute.

In other words ... we're not sure if he'll just be speaking, singing/performing or a mix of both. Considering his political history though -- you can probably expect a little bit of everything.

Travis Barker is selling his plane ticket -- and considering his history, this one's a big deal.

The Blind-182 rocker put his personal boarding on the auction site Trophy for $8,000 ... and it’s Travis’ actual Qantas Airlines boarding pass from earlier this year when he went from Sydney to Perth on a commercial flight, complete with a meaningful handwritten note.

The message reads, “I know I got Angels watching over me ...” -- fitting since the '08 crash left him with third-degree burns on 65% of his body. BTW, this note is something he writes on all his boarding passes ... even before the crash, but it obviously carries more weight post-crash.

1:47 PM PT -- Prince William and Kate Middleton just weighed in on the tragedy -- writing in part, "As parents, we cannot begin to imagine what the families, friends and loved ones of those killed and injured in Southport today are going through."

They went on to extend their condolences, while thanking first-responders who arrived on the scene.

12:28 PM PT -- Officials have now confirmed even more tragic news from this horrific incident -- namely, the fact that a second child has now died.

In addition to this ... cops have identified the alleged perpetrator as a 17-year-old male. His name has yet to be released -- and it's unclear if the authorities plan to do that.

A Taylor Swift-themed dance workshop in the UK turned into something straight out of a horror movie ... when a mass stabbing left a young girl dead and 7 others injured.

Justin Timberlake might have an ace in the hole to get his DWI case dismissed ... and it's a woman who took the keys to his car after his arrest ... TMZ has learned.

As we reported, Justin was busted for drunk driving last month, after partying with friends at a Sag Harbor hotel. Cops say they saw him blow a stop sign and swerve as he was following some friends.

After he was stopped, cops say he failed multiple sobriety field tests and also smelled of alcohol. He refused to blow into a Breathalyzer, and claimed he only drank one martini.

Sinéad O’Connor’s cause of death has been revealed one year after her tragic death ... with her death certificate listing multiple respiratory issues, according to reports.

The Irish Independent reports O'Connor passed away from COPD -- chronic obstructive pulmonary disease -- exacerbated by bronchial asthma. She'd also been suffering from a respiratory tract infection, a contributory factor.

While British authorities announced back in January O'Connor passed from natural causes -- no foul play suspected -- we didn't know the exact cause until this week.

Rapper Kyle almost didn't make it to his show in Austin Thursday night ... as he and his friends found themselves in a sticky situation.

Check it out ... firefighters are seen helping a group of people climb out of a broken down elevator at the Soho House in Austin ... where Kyle was front and center with his crew for the RDCWorld event kicking off Dream Con.

Kyle, who's also known as SuperDuperKyle on YouTube, is led down from the elevator ... telling first responders he appreciates their help.

Nelly Furtado says her daughter saved her upcoming album with some blunt advice ... calling her out for thinking auto-tune sounds cool.

The singer-songwriter spoke with NME all about her upcoming album "7" ... and, she admits she got a little crazy when it came to auto-tune before her daughter shut her down.

Furtado says her Nevis, 20, told her auto-tune's not cool, full stop ... so, it shouldn't come anywhere near her new record.

Three members of the hit gospel family band The Nelons have died in a plane crash ... according to a statement by the fourth member of the band.

Autumn Nelon Streetman posted a joint statement with her management team Saturday morning telling fans her mother Kelly, stepfather Jason and sister Amber -- the other three current Nelons members -- died in a plane crash on their way to Alaska Friday.

Also killed in the crash according to the post ... Amber's husband Nathan Kistler, their assistant Melodi Hodges the pilot, Larry Haynie, and his wife Melissa.

Celine Dion wasn't the only one fighting back tears during her amazing Olympics performance ... Kelly Clarkson was also reaching for the Kleenex box!

Kelly was part of a team of NBC announcers watching Celine's comeback performance at the Eiffel Tower during Friday's 2024 Paris Olympics Opening Ceremony.

As you know, Celine has been sidelined for 2 years by Stiff-Person Syndrome – a painful neurological disorder -- and the Olympics marked her first show since she announced her diagnosis in 2022.

Beyoncé isn't letting Celine Dion or Lady Gaga overshadow her at the Olympics because she, too, is getting in on all the musical action!

Bey shocked the mountain of viewers of the 2024 Paris Olympics Opening Ceremony on Friday evening when all the sudden a video featuring the iconic singer flashed on everyone's TV screens.

In the 2-minute plus clip, Bey performed a remix of her popular tune, "YA YA" from her country album "Cowboy Carter" – and she got a little assist from some of the Team USA athletes.

Nick Carter made a dying fan's wish come true ... singing the Backstreet Boys' signature hit directly to her in a real tearjerker moment.

TMZ obtained the super touching video recorded in Frankfurt, Germany ... as the singer makes his way through the crowd, goes straight in to hug terminally ill Jenni Schmidt and then begins singing "I Want It That Way" -- just for her.

Jenni, whose last wish was made possible by an org named, Der Wünschewagen, was clearly over the moon during Nick's "Who I Am" world tour last Sunday.

J.D. Vance is defending his comments on Kamala Harris, Oprah and Gayle King are clearing up their relationship and Travis Kelce is blessing a fan ... all this on today's TMZ TV Hot Takes.

First up on "TMZ Live," Harvey and Charles break down Donald Trump running mate's defense of his controversial "childless cat ladies" remark.