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Kourtney Kardashian is apparently hittin' the road with her beau Travis Barker and the rest of Blink-182 like a true groupie ... and the happy couple was out for a walk in NYC ahead of the band's epic concert at Madison Square Garden.

Kourtney and Travis were wandering down 5th Ave. Friday, sippin' some matcha just hours before Travis and co. blow the roof off the city's titular arena. They had some music-themed garb on, albeit on opposite ends of the spectrum -- him in Slayer and her in Ice Cube.

The 2 are still finding some time for each other despite their busy schedules ... and as you know, we've seen them practically attached at the hip numerous times over the years.

As we reported, Blink-182 rocked the Coachella crowd last month -- and it was a big one, being the first time in 9 years that Travis shared a stage with his bandmates Tom DeLonge and Mark Hoppus.

Jimmy Buffett is hitting pause on a South Carolina concert at the last minute ... while he's treated in a hospital for something requiring "immediate attention."

The veteran singer shared a note Thursday on his official site, telling fans he was forced to cancel his show in Charleston. He was supposed to hit the stage with his Coral Reefer band Saturday night, but that all changed when he went to see a doctor.

Jimmy says, "I had a sudden change of plans this week that affected us all. Two days ago, I was just back from a trip to the Bahamas ... and chomping at the bit to get to Charleston. I had to stop in Boston for a check-up but wound up back in the hospital to address some issues that needed immediate attention."

The idol of parrot heads everywhere adds ... "Growing old is not for sissies, I promise you. I also will promise you, that when I am well enough to perform, that is what I’ll be doing in the land of She-Crab soup. You all make my life more meaningful and fulfilled than I would have ever imagined as a toe headed little boy sitting on the edge of the Gulf of Mexico."

While he's not saying exactly what's behind his hospitalization, it's clearly enough to get him pretty sentimental.

You might recall, the 76-year-old singer was briefly hospitalized last September, and had to cancel the rest of his 2022 performances.

This Charleston show was part of Buffett's "Second Wind" Tour 2023 ... per the website, all ticketholders will be able to attend the rescheduled show, once a new date is announced.

Andy Rourke, the bass guitarist for the iconic British rock band, The Smiths, has died.

His bandmate, Johnny Marr, made the announcement Friday on Twitter, revealing that Rourke had been fighting pancreatic cancer before his passing.

Marr said, "Andy will be remembered as a kind and beautiful soul by those who knew him and as a supremely gifted musician by music fans."

After joining The Smiths in the '80s, Rourke was featured on the group's four studio records, including "Meat Is Murder" and "Strangeways, Here We Come."

With Rourke on bass, Marr on lead guitar, Mike Joyce on drums and Morrissey on vocals, the foursome created a pioneering sound that still has an influence on music today. Some of their most classic tunes were "This Charming Man" and "There Is a Light That Never Goes Out."

During his time with The Smiths, Rourke struggled with heroin addiction and was arrested for possessing the drug in 1986. He even got kicked out of the band at one point, but he returned two weeks later.

In 1987, The Smiths broke up, but Rourke went on to produce several singles with Morrissey and to record music with Sinéad O’Connor and The Pretenders. He also sued Morrissey and Marr for an equal share of The Smith's earnings and royalties, but later settled for just over $103,000.

Rourke was 59.

For Rihanna, embracing motherhood means taking off her top for a maternity photo shoot.

RiRi just posted a series of topless photos on her Instagram from her first pregnancy ... a photo shoot she's calling "Rub on ya titties."

Rihanna shared seven images from the maternity shoot, and she's wearing nothing but a thong bikini bottom, some bling, and a pair of heels.

In the photos, Rihanna is topless and the only thing covering her boobs are her two hands.

RiRi says ... "in honor of my first pregnancy, embracing motherhood like a g, and the magic that this body made! Baby RZA… he in there not having a clue how nuts his mama is, or how obsessed he bout to make me."

As you know ... Rihanna gave birth to a son in May 2022, her first child with A$AP Rocky. The couple named their kid RZA, a nod to the leader of the Wu-Tang Clan.

Rihanna and A$AP are expecting another child ... she famously announced her pregnancy by showing off her baby bump at her Super Bowl halftime show performance.

It sounds like a second topless maternity shoot could be in the works too ... because Rihanna added a #toobecontinued hashtag to her post.

Priscilla Presley may have settled her dispute over Lisa Marie's trust for millions of dollars, but she lost out on one of her big asks  ... being buried next to "The King" -- this according to sources with direct knowledge.

Our sources say ... while Priscilla and her granddaughter, Riley Keough, battled over Lisa Marie's trust ... Priscilla wanted something other than money ... a burial spot next to her ex-husband, Elvis Presley.

Elvis is buried at Graceland, his legendary Memphis estate, flanked by the gravesites of his mother and father. Thus the issue ... if Priscilla were to be buried next to Elvis, who moves?

We're told Priscilla's request was a non-starter, and she backed down without much discussion.

While Priscilla may not know her final resting place, she still walked away with an impressive settlement. We're told she will get millions in return for dropping her claims over who controls Lisa's trust, which includes the Graceland mansion and a stake in Elvis Presley Enterprises.

Priscilla tells TMZ ... "Although I don't plan on going anywhere anytime soon. It is my family's and my wish for me to be laid to rest with my daughter and the love of my life when that time comes. We appreciate the love from all of the fans."

Rick Ross is going toe-to-toe with Fayette County over his 2nd annual car show ... telling us denying him a permit isn't gonna stop him from throwing the event for thousands of fans.

The hip hop mogul assures us the car show will go down exactly as planned on June 3 on his Promised Land estate in Fayetteville, GA, and he's called in backup -- some event planning experts -- to ensure his neighbors can rest easy.

Fayette County recently rejected Ricky Rozay's permit, saying the car show is not in compliance with the county's zoning ordinances, adding last year's show -- a huge success in Rick's eyes -- happened without County approval.

Regardless, Rick's full steam ahead, and is likening the whole thing to a front yard BBQ -- one with about 7,000 folks in attendance! He says he didn't hear any complaints after last year's show, but some neighbors have now been voicing their concerns.

If you're wondering if this is all about the County wanting a slice of Rick's financial pie ... he ran down all the ways his car show is an absolute cash cow for Fayette County and its businesses.

BTW, Rick announced he's exploring a run for mayor of Fayetteville after the whole permit roadblock came up, and he breaks down why he'd be the perfect candidate.

Weezer provided entertainment to the striking writers picketing outside Paramount Pictures ... supporting the cause by playing some of the band's most famous songs.

Lead singer Rivers Cuomo was flanked by guitarists Brian Bell and Scott Shriner outside the major movie studio Wednesday ... playing an acoustic concert for the writers who are continuing their strike.

The Writers Guild of America members surrounded the band as they performed from just outside the studio entrance ... with Weezer playing some of their biggest hits, including "Beverly Hills" and "Buddy Holly."

Weezer joins Imagine Dragons as bands to play for striking writers ... last week Dan Reynold's and guitarist Wayne Sermon put on a show outside Netflix HQ.

We've also seen Pete Davidson and TV's late-night talk show hosts supporting the WGA, bringing pizza and food to the writers ... and there's also been a live mariachi band at the picket lines.

Ya gotta imagine more bands will follow suit ... and it will be interesting to see who grabs the mic next.

Britney Spears' two sons want nothing to do with Los Angeles anymore and plan to move to the Aloha State for a more private life, away from the attention swirling around their mother ... according to sources with direct knowledge.

Our sources say Kevin Federline, Britney's ex-husband, had his attorney, Mark Vincent Kaplan, fire off a letter to Britney's lawyer, Mathew Rosengart, asking if she'd be open to letting Jayden James and Sean Preston relocate to Hawaii full-time with their dad and stepmom, Victoria Prince.

Our sources say they want a response from Britney by week's end. If Britney objects, Kaplan will go to court and ask permission from the judge ... and given Britney hasn't seen the kids in more than a year and the kids want to leave town, it's likely the judge will allow the move.

We're told it's unlikely the case will end up in court and Britney will acquiesce to the move.

Our sources say Victoria has a job offer at a university in Hawaii, Kevin has DJ opportunities there as well, and the kids are eager to make the move. We're told they plan to leave L.A. for Hawaii sometime in July.

16-year-old Jayden will continue taking classes remotely, and 17-year-old Sean Preston will have graduated high school by the time they move, though his plans are unclear.

The kids have been with Kevin and Victoria 100% for a long time, so the move would not be disruptive.

As we reported, Jayden and Sean weren't at Britney's wedding last year ... and months later, she addressed the difficulties in her relationship with the kids by scoffing at Jayden's wish that she gets better.

Elon Musk is having the time of his life, dancing the night away in a huge crowd in Mexico for a huge music festival -- and it looks like SpaceX, Twitter and Tesla are officially on the back burner!!!

One of the world's richest men showed off a different side of himself in Cabo San Lucas Saturday night, jamming out with his hands up to some Rüfüs Du Sol with a swarm of other ravers around him.

Elon was feelin' the music at Sundream Baja, BTW -- a 2-weekend long festival, similar to Coachella, just outside San Jose Del Cabo.

Sure, his moves might need some work, but hey ... the guy's just not known for dancing.

Kinda makes sense he headed down to Mexico for some R&R ... Elon just named former NBCUniversal advertising exec Linda Yaccarino as the new CEO of Twitter last week, following months of backlash from users who weren't cool with how he was running things.

Big mystery in Montreal over the weekend at a Blink 182 concert ... someone enveloped in a blanket is getting special attention from one Travis Barker, and lots of folks suspect it's Kourtney Kardashian!

The ghostlike figure sat underneath the blanket for the entire concert. At times the person was moving around as if they were uncomfortable ... it was super hot in the venue.

So here's the clue. When the concert was over, Travis hopped off stage, wrapped his arm around the mystery person and walked off.

Now if this were some rando, you'd think security might step in and check out what's what, but that apparently didn't happen ... further evidence it's Kourtney.

Blink's really on a roll since Coachella.  They're now in the midst of their world tour. They perform in Toronto Monday.

Britney Spears is in the planning stages of a recording comeback, but don't count on more concerts or residencies.

TMZ explores Britney's future in the music business as part of our documentary that airs Monday. Multiple people with direct knowledge tell TMZ, touring and residencies just aren't in the cards ... the grind of performing, endless rehearsals and the precise learning of choreography is just too much for her. What's more, we're told she doesn't have any interest in going back onstage.

Music legend Paul Anka begs to differ, telling us Britney is one of the top 5 performers in the world and ... things change.

Fact is ... aside from the fact Britney could sell out any venue she might choose, there'd be a multigenerational component to it because many of her early fans are now parents and they will bring their kids along for the ride.

Jay-Z's dropping "The Blueprint 4," but it's not a new album ... it's his plan for opening a casino in Times Square, and he's going all out to get New Yorkers on board with it.

Through Roc Nation, Jay penned an open letter to NYC, explaining why he believes his company's partnership with Caesars Palace should be awarded a contract to launch a casino in the heart of Times Square.

In the letter, published Thursday in several NY newspapers, Roc Nation leans hard into all the positives its proposed Caesars Palace Times Square would create for "everyday New Yorkers," as well as the city's businesses.

The casino would reportedly be built on the top 8 floors of an existing Times Square skyscraper, smack in the middle of Broadway's famed theater district. Some theater owners and producers are vehemently opposed to the casino, but Roc Nation says its bid includes $115 million for "diverse theater programs" to aid Broadway employees.

Jay and co. say their organization will put the "well-being of New Yorkers at the top of their agenda." The insinuation is their competition will not, and they're up against several other high-profile bidders ... including Wynn Resorts and Mets owner Steve Cohen.

Each has proposed casino plans in different NYC locations -- Caesars and Jay's is the only one in Times Square.

Rihanna's baby boy ain't nothing to mess with ... because she and A$AP Rocky named their first child after a famous member of the Wu-Tang Clan!!!

The child's full name is RZA Athelston Mayers ... according to the Daily Mail, after obtaining the child's birth certificate.

With a name like RZA, it's pretty safe to assume the kid's musician parents named him after the rapper and producer RZA, who just so happens to be the leader of the Wu-Tang Clan.

The birth certificate also says Rihanna's kid was born May 13 at 10:58 AM at Cedars-Sinai Medical Center in Los Angeles.

Looking back, it seems Rihanna telegraphed the baby's name back in April ... when she and A$AP took their baby boy out to dinner at Giorgio Baldi in Santa Monica, with RiRi wearing a Wu-Tang Clan top.

A$AP's got a musical connection to some of RZA's bandmates ... he collab'd with Wu-Tang's Raekwon on the 2015 song "Fly International Luxurious Art."

Beyoncé's highly-anticipated "Renaissance" world tour is officially off and running, and the first stop in Sweden is packed with a ton of surprises!!!

Her big debut show is going down at Stockholm’s Friends Arena, and fans are buzzing with excitement -- even those who aren't there -- as it is the first time Beyoncé's been on tour in the last 4.5 years.

The early review is well-worth all the hype -- Bey opened the concert singing her throwback hit "Dangerously in Love".

She went on to perform songs from last year's "Renaissance" album, which she dedicated to her Uncle Johnny ... bringing out several well-known vogue-style dancers, including Honey Balenciaga. The performance included several nods to the LGBTQ+ community.

As you know, Beyoncé released 'Renaissance' -- her 7th no. 1 album -- back in July. And, it earned a Grammy for Best Dance/Electronic Music Album.

During the show, Bey also brought back the Les Twins, who she worked with a lot in the past and who became known as her onstage dancing twins. They appeared in her Homecoming Coachella documentary. And, she wouldn't be Queen B without many different wardrobe changes and props, which she had plenty of!

Britney Spears drinks caffeine drinks by the gallon, something experts say is not great but unsurprising for people with mental illnesses.

Sources with direct knowledge tell TMZ, which has produced a documentary that will air Monday, Britney guzzles Red Bull, Celsius, coffee, and dandelion tea almost nonstop. We're told she consumes so much caffeine, she'll sometimes stay awake for 3 consecutive days.

Experts, including Dr. Drew, tell TMZ, people with mental illnesses crave the high from these drinks, but it's not particularly healthy.

The documentary -- "TMZ Investigates: Britney Spears: The Price of Freedom" -- chronicles her life in the last 1 1/2 years since the conservatorship ended. The documentary details her relationships with her family, husband, and kids, in addition to other struggles that have caused concern among those closest to her.

The documentary reveals some of the recommendations people who were caring for Britney made at the end of the conservatorship.  One of the recommendations -- keep knives away from her.

Busta Rhymes says a highly-anticipated reunion with Janet Jackson for their 1998 song together was well worth the wait -- and right on time too ... almost like it was divine!

The legendary rapper was gushing about JJ Tuesday night ... this shortly after they shared the stage at Madison Square Garden, where she was putting on a crucial show that's part of her larger 'Together Again' tour -- which couldn't be more perfectly named.

Indeed ... Busta got on the mic with Janet to crank out their hit, 'What's It Gonna Be?!' -- a fan fave, and something folks have wanted to see them perform together live for years now.

That's certainly what BR has wanted as well ... and he talked to a photog about just how big of a moment it was for him. As it turns out -- the dude, who's no stranger to being in front of audiences, says he was actually shaking in his boots ahead of their big duet onstage.

He actually suggests something happened up there that gives away the fact he was freaking the hell out -- we have video of the performance ... so take a look for yourself.

Anyway, it's clear that this was big for Busta and that he's grateful for the opportunity to have done it now -- even if it is 25 years later. He says any sooner wouldn't have been as significant ... so, in his mind, this coming together with Janet was right on time.

BTW, he also gets into the story about how he first linked up with her to record way back when -- and even that tale sounds too good to be true. Busta remembers it like it was yesterday.

As he notes, the reunion marks a cultural snapshot that transcends music. And, considering Janet's theme for the tour is in this ballpark, there's probably more stuff like this coming.