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Rock legend Greg Kihn -- the guy behind "Jeopardy" and "The Breakup Song" -- has died after a fight with Alzheimer’s.

The tragic news was shared on his official blog ... revealing he died Tuesday ... with the tribute, "Rest in peace, dear Greg. Your music, your voice, your stories, your spirit and your passion will forever echo in our hearts and inspire countless souls."

Born in Baltimore, Greg made his mark in the SF Bay Area music scene ... really hitting it big in the ’80s with his unique mix of rock, folk, blues and pop with The Greg Kihn Band.

Swifties aren't letting last week's thwarted terror plot in Vienna keep them from seeing Taylor Swift in London ... as thousands of fans have already descended on Wembley Stadium.

Check out the new pics from the scene -- mega-fans have already begun congregating on Olympic Way outside the famed London stadium ... where Taylor is set to perform 5 sold-out nights, her final stop on the European leg of her Eras Tour.

Swifties aren't the only ones showing up in droves -- there is an increased amount of security lined up outside the venue, as well. Though, we're sure some fans are about to be turned away ... as TMZ previously reported, Tay-gating has been outright banned during TS's latest London stop.

Taylor Swift is powering through her "Cruel Summer" ... as the singer has reemerged after a thwarted terror plot saw her "Eras" tour stop in Vienna canceled last week.

The pop star stepped out in London Monday for a celebratory evening in honor of her tour staffers, where she treated her employees to a night of fun at a members-only club called Annabel's.

Taylor wore a serious expression as she made her way into the hot spot ... but looked as chic as ever in a plaid 2-piece set, which she paired with chunky pea green platforms.

Even for a Brit who’s no stranger to soggy weather, Adele's bravely facing a torrential downpour during her latest concert in Munich -- but by the looks of it, she's not letting the rain ruin her parade.

Fan videos from the concert are wild -- it's coming down Wednesday night at the Messe München outdoor arena like nobody's biz, but the singer just keeps on rocking the stage like the pro she is.

Adele’s no-nonsense attitude shone through as usual ... you can see her belting out one of her tunes while she's drenched by the storm.

Usher just hit his hometown Atlanta fans with a major announcement -- he's postponed his "Past Present Future" tour opener just hours before Wednesday night's show ... saying he's got to put himself first.

The R&B star dropped a long IG statement Wednesday ... saying after pouring his blood, sweat and tears into his three-decade-long career, he needs to let his body rest up and heal -- that’s why he pulled the plug on this evening's show at State Farm Arena.

Usher promised he’s not ditching his fans, and says tonight's show will be rescheduled -- when fans will get 100% of him.

Katy Perry is in the crosshairs of the Spanish government for kicking up some sand ... that happens to be on an environmentally fragile beach.

Spain's taking issue with Katy's music vid for her new single "Lifetimes" ... which she filmed on the Balearic islands, and one scene where she's dancing and sitting on some sand dunes is reportedly catching the government's watchful eye.

The regional government's Department of the Environment is investigating, claiming the production company behind her music video was NOT authorized to film there ... according to multiple reports out of Spain.

Taylor Swift's fans will have to rethink their plans if they're planning on clustering outside London's Wembley Stadium for her upcoming shows -- 'cause authorities aren’t taking any chances.

The venue just made it clear -- if you don’t have a ticket, don’t even think about hanging around outside Wembley or the Olympic Steps during Taylor’s five-night run.

And if you’re dreaming of a Swiftie sleepover -- forget it! The stadium's in a residential zone, so setting up camp overnight could tick off locals and get you kicked out.

Rihanna's proving that, unlike most of us, she can have it all -- balancing being a billionaire business mogul with being a mom, and a very hands-on one, on vacay with A$AP Rocky and their kids.

The singer was shining bright like a diamond on a beach in her native Barbados ... where she and her rapper boo let 1-year-old Riot Rose and 2-year-old RZA dip their toes in the Caribbean over the weekend.

Rihanna rocked a sheer black maxi cover-up over her bikini, while A$AP was in peak dad mode as they splashed around and caught the sunset with their brood.

The family of late singer Isaac Hayes is threatening to sue Donald Trump's presidential campaign ... claiming the former prez has been using one of his famous songs without permission at campaign rallies.

Lawyers for Isaac Hayes Enterprises fired off a legal warning shot, sending Trump and his campaign a notice of copyright infringement over the use of Hayes' song "Hold On, I'm Comin'" at Trump rallies.

The singer's family says the anthem has been used at least 134 times at different political events between 2022 to 2024 without permission. Trump notably played the song in Harrisburg, PA back in July ... where he used the track to close out his rally.

Miley Cyrus is reliving her child star days, and she's actually embracing her "Hannah Montana" era ... because it's now made her the youngest ever Disney Legend!

This tribute's no joke ... it’s for those who’ve seriously shaped Disney’s magic. So, no shocker that Miley got a bit teary as she hit the stage Sunday with 13 other legends at the D23 event in Anaheim, CA.

The crowd went wild with endless applause ... cranking up Miley’s emotions as she reminisced about her iconic Disney Channel days as "Hannah Montana."

Sabrina Carpenter got quite a scare during her California concert over the weekend – she was filmed dashing away in terror after hearing exploding fireworks.

The pop star was performing onstage in front of a packed audience at San Francisco's Outside Lands music fest Saturday when pyrotechnics started going off behind her.

Check out the video ... Sabrina is dancing with her cast and crew while asking the crowd to give it up for everyone.

Kanye West took a big L at the hands of someone he's had beef with for years -- one Taylor Swift!

Kanye's streak of 11 consecutive No. 1 albums was just broken, because "Vultures 2" fell short of the top spot by 1 ... and that 1 belongs to TS' "The Tortured Poets Department."

Taylor must be reveling in her latest win. Kanye's been a thorn in her side ever since 2009, when he hijacked her moment at the MTV Video Music Awards, telling the world Beyoncé was robbed and should have taken home the prize.

Nelly got a slot at Machine Gun Kelly's concert over the weekend, and the crowd went wild!

Funny thing is ... the biggest fanboy in the venue was MGK himself, who went nuts as Nelly sang "Grillz" and "Air Force Ones." MGK filmed the rapper and was crazy excited!

Nelly's appearance was part of the annual MGK Day celebration in Cleveland.

When Taylor Swift returns to the stage, London authorities and Wembley Stadium will be taking extraordinary steps for security -- including some specifically deployed to stop potential terrorists ... TMZ has learned.

Law enforcement sources tell TMZ ... Taylor's 5 upcoming shows at Wembley will be relying on additional private security specializing in counterterrorism, partly in response to the Vienna terror plot foiled by U.S. and Austrian officials.

We're told the private security force will also be deployed because of ongoing London riots that are placing a major strain on local police.

Sabrina Carpenter and Kacey Musgraves killed it at the Outside Lands Music Festival in San Francisco, singing one of the most iconic songs ever ... and the crowd went nuts!

Sabrina and Kacey sang Nancy Sinatra's famous hit, "These Boots Are Made For Walkin'" ... and the only thing that was a little disappointing -- Kacey wasn't wearing boots!

Nevertheless, there was a lot to celebrate ... before taking the stage, Sabrina took a sip from an espresso cup to celebrate her hit song, "Espresso," passing the 1 billion mark in terms of streams on Spotify.

Kanye West turned his album release party into a fun family outing ... not only bringing a couple of his kids out with him -- but hanging with Bianca Censori's siblings too.

The rapper hit the Delta Center in Salt Lake City Friday night with Ty Dolla $ign for their "Vultures 2" album release party ... and, sitting stageside next to his better half were his sisters -- Angelina and Alyssia.

Bianca's wearing a nude bodysuit -- offering a little more coverage than her usual looks ... and, her sis Angelina's two seats down, in a sheer white skirt matching her older sibling's ensemble. Alyssia sits to Angelina's left ... unclear who the woman in the middle of Bianca and Angelina is -- though it might be their mom, Alexandra.