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Miley Cyrus and Dolly Parton's duet is inappropriate for elementary school kids to sing ... at least according to a Wisconsin principal who's banning "Rainbowland" from a spring concert.

Here's the deal ... first-grade students at Heyer Elementary in Waukesha started the week preparing for their upcoming concert, with "Rainbowland" as part of the initial setlist.

The song was played in the first-grade class Monday, but by Tuesday the principal sent an email to the music teacher informing her Miley and Dolly's 2017 duet was no longer allowed.

Some parents say their children came home upset Wednesday after learning they couldn't sing it ... with the kids wondering why it was a big deal.

Superintendent Jim Sebert told multiple news outlets "Rainbowland" was dropped because it "could be perceived as controversial" according to recent school policies.

The song is from Miley's album "Younger Now" ... and she's said it was inspired by the paint in her recording studio. Dolly says the track is about "hope and positivity in dark times."

Some of the lyrics are, "Living in a Rainbowland/ The skies are blue and things are grand/ Wouldn't it be nice to live in paradise/ Where we're free to be exactly who we are."

While both singers have openly supported the LGTBQ community, neither has said the song has any intentional connection to it.

The superintendent told local news outlets, "The main question was is the song appropriate for the age level and maturity of the students."

Chaka Khan's celebrating her 70th birthday, and she can still turn up like her heyday in the '70s and '80s ... and she did with an assist from fellow icon, Stevie Wonder!

Chaka held court for her celebration Thursday night at Vortex recording studio in Hollywood, partying with a couple hundred guests who joined Stevie in singing happy birthday -- his version, of course.

Once Stevie got behind the keyboard the party was in full swing -- he and Chaka did her hit, "Tell Me Something Good" ... and then they belted out one of his Motown classics, "Signed, Sealed, Delivered."

Looks like Mr. Wonder worked up quite the appetite during the festivities ... we hear from folks inside the event, he brought in Chick-fil-A for his entourage, which he definitely enjoyed.

Joni Mitchell's another legend who came out to honor Chaka ... along with comedian Mike Epps, and later in the night Tiffany Haddish jumped on stage too.

Tiff got the band fired up to play "Proud Mary," as she belted out the lyrics and even attempted some of Tina Turner's moves.

SZA celebrated the end of her month-long tour Thursday night with a star-studded performance in L.A. ... but it was J Lo who really stole the show with her crazy dance moves.

Jenny from the Block gave everyone a crash course on how to cut loose to the music of SZA, who was joined by Lizzo and Phoebe Bridgers on stage at the Kia Theatre.

Check out video, obtained by TMZ, showing J Lo shaking her booty while wrapped in a huge fur coat and sporting cool shades. We're told J Lo was also twerking at one point.

It appears Ben took the night off and stayed home 'cause he was nowhere in sight.

Meanwhile, Jeffree Star made a cameo appearance, dropping in with some friends to watch the concert. The makeup guru kept it low-key, chatting with his posse and enjoying all the entertainment.

At two points during the show, SZA shared the spotlight with Phoebe and Lizzo, each singing one song with the R&B superstar. Phoebe cranked out SZA's "Ghost in the Machine" while Lizzo performed her own tune, "Special."

Sam Asghari wants to star in a movie opposite Britney Spears ... and he thinks they would be the perfect fit for an action comedy.

We got Sam at LAX on Thursday and he was just getting back home from filming a project ... so naturally our photog asked him if he would ever want to act with his wife.

Sam says Britney's a great actress and he for sure wants to team up with her on the big screen ... and it sounds like he's already got some ideas for potential projects.

Britney obviously loves to dance, and Sam thinks her natural athletic ability makes her the perfect candidate for an action comedy ... which he seems to prefer over a rom-com.

The way Sam envisions it ... he and Britney could both do their own stunts, and he's seeing lots of action and fight scenes where they both kick some serious ass.

But before the perfect script comes along, Sam says Britney's excited about visiting him on his current film set ... he says he's in L.A. during a break in filming.

CeeLo Green intended to make a memorable entrance into a birthday party honoring Shawty Lo, and memorable it was ... for all the wrong reasons.

CeeLo was in attendance for Shawty's bday bash at The Bank in ATL Wednesday and decided he'd join the party on horseback. You can see from the jump, the horse is nervous around the crowd and lights -- as employees try to get the animal steady -- then all hell breaks loose.

The horse jolts around, and its legs slip on the tile floor, causing the animal to buckle -- and sending CeeLo to the ground in the process.

Luckily no one was hurt, and CeeLo made a quick recovery, getting back up onto his feet to enjoy the rest of the party.

Of course, folks on social media had a field day with the whole thing ... quickly posting the moment and joking about his fall from grace.

As you know, Shawty Lo, whose birthday is March 22, died in a car crash back in 2016 ... but his friends and loved ones still gather to remember and celebrate his legacy.

They might also want to take the time to remember horses are likely better left outside.

Wayne Swinny, founding member and guitarist of the band Saliva, is dead after suffering a brain hemorrhage.

A rep for the band tells us, "It is with great sadness that we report the passing of Wayne Swinny, the guitarist of Saliva. Wayne passed away this afternoon from a spontaneous brain hemorrhage while on tour."

The tragic news comes only hours after the band revealed Wayne was in the ICU after having the medical emergency.

Bobby Amaru, Saliva's lead singer, says, "I’m not even sure what to think or how to feel right now. My heart aches for Wayne’s family, his friends, and anyone who had the joy of being around him. My heart aches for his daughter Nikki. He loved that little girl so much ... He would go out of his way to make sure you had a good time. I’m grateful that I got to share almost 12 years of my life with Wayne on the stage and most importantly off the stage."

Amaru continues, "He was the older brother I never had. I learned so much from him and we had a f***ing blast together! I will cherish it all for the rest of my life! God Bless you Wayne. I know we’ll meet again!!"

As we reported ... Wayne had been battling for his life in the ICU. He was rushed to a hospital Tuesday and diagnosed with a spontaneous hemorrhage in his brain.

Wayne was one of Saliva's founding members, helping to start the band way back in 1996.

The wife of Saliva's former lead singer, Josey Scott, also posted about Wayne's death, saying the band is in "complete shock and heartbreak."

She says Josey referred to Wayne as his "musical soulmate" and she's remembering him for having a great sense of humor.

Wayne was 59.

Wayne Swinny, founding Member and guitarist of the band Saliva, is currently battling for his life in the ICU after suffering a brain hemorrhage ... TMZ has learned.

The group shared the news Wednesday, with a statement saying, "Our dear brother Wayne Swinny was discovered Tuesday morning in medical distress and paramedics were called."

The statement continues, "He was transported to a hospital where he was diagnosed with a Spontaneous Hemorrhage in his brain. He is currently in the ICU as we await further news."

Wayne is an original member of the rock band -- founded in 1996 --  which now also consists of Bobby Amaru, Brad Stewart and Sammi Bishop.

Nick Lachey has been ordered to attend anger management and Alcoholics Anonymous meetings after going off on a paparazzo in Los Angeles ... TMZ has confirmed.

Nick flew off the handle last year after spotting a woman who was filming his wife and himself after a night out a Mastro's in Bev Hills. Nick was enraged and caught on camera reaching for the woman's phone.

The L.A. County D.A. tells TMZ ... Lachey was never charged with a crime ... instead, the D.A. has a diversion program where someone can avoid prosecution ... in Nick's case, he won't be charged with assault and battery if he attends AA and anger management.

The woman, Jody Santos, spoke to Daily Mail about the incident, saying, "He's had plenty of time to apologize, but instead he just figured I would go away. What he did was wrong. Attempting to bust his fist through my car window when all I was doing was taking photographs of him. He should have been thanking me for the free publicity. I mean, really. Talk about an oversized ego."

Chaeyoung -- a member of the K-Pop group Twice -- is apologizing for wearing a swastika on her shirt ... saying she didn't realize what the symbol was.

The singer took to IG for her mea culpa, writing ... "I sincerely apologize regarding the Instagram post. I didn't correctly recognize the meaning of the tilted swastika in the t-shirt I wore."

She adds, "I deeply apologize for not thoroughly reviewing it, causing concern. I will pay absolute attention in the future to prevent any situation similar from happening again."

Unclear when she wore the top in question, but there's a photo that shows her posing at a restaurant with a Sid Vicious graphic tee, where he's depicted in black and white ... and baring a swastika on his own shirt.

You could argue she's just a Sex Pistols fan, but some called it antisemitic -- and she obviously felt a correction was needed. As for her explanation ... some aren't buying it.

Hillary and Chelsea Clinton's Broadway outing turned into a real stinker last week -- 'cause someone pooped near them ... and it may be a thing.

The former First Lady and First Kid attended a production of "Some Like It Hot" in the Big Apple, and according to Page Six -- staffers claim there was crap found within eyeshot at intermission ... it sounds like it was in the same aisle in which they were sitting.

Unclear if HC and CC reacted or even noticed, but Page Six says they stuck around for the second act ... and that the doo-doo was cleaned up swiftly and without issue.

As for the culprit ... the outlet reports, citing sources, it was an elderly person who let it blow.

Now, here's the crazy thing ... a source is telling PS it was just a one-off and an accident -- but other sources they're talking to say this might be a repeat offender. Someone they talked to says it's the 4th such time it's happened.

It's a mystery for now, we suppose -- and it doesn't seem anyone's doing much to get to the bottom of it.

BTW, Hillary and Chelsea are far from the only celebs hitting this play -- other stars who've swung by include Martin Short, Kristin Chenoweth, Hank Azaria, Spielberg and more. Here's hoping their shows weren't as crappy.

Taylor Swift's Eras tour is already bringing people together ... until death, in the case of 2 of her fans ... who used her concert as the backdrop for their wedding!!!

The ceremony went down Saturday night while Taylor was performing the second of 2 shows at State Farm Stadium in Glendale, AZ -- aka Swift City -- with the bride, Rene Hurtado, and groom, Max, saying "I do" from their floor seats.

Rene, who was wearing a tea-length wedding dress, says she and Max had been talking since the summer about eloping the day of Taylor's concert and then having the show serve as their wedding reception ... but they ultimately decided it would be cooler to actually get hitched at the concert.

Proposals have become a semi-regular occurrence at concerts and sporting events over the years ... but it's not every day you see an actual wedding in the middle of a show.

No word if Rene and Max are planning to hit up another Taylor concert for their honeymoon.

You'd think Andrew Lloyd Webber would be feeling the pressure of having to craft King Charles' coronation music -- but the dude is pretty relaxed ... hilariously so, in fact.

The Broadway legend -- responsible for the numbers heard in "Cats," "The Phantom of the Opera" and others -- dished to WaPo about the Royal assignment he agreed to about a month ago ... namely, composing THE musical piece that'll be playing while KC gets crowned in May.

It's quite the task, and yet ... ALW sounds super chill about it. His interview here makes it seem like the gig is just another day in the office. He says, "I have written quite a lot of choral music. [M]y father was a very distinguished church organist and choirmaster and the choral tradition is not something that is new to me in a way, because it’s been there all my life." In other words, he's been there ... done that. Now, he's just doing it for the King.

As WaPo notes, Lloyd Webber's actually somewhat familiar with Charles -- having met and visited with him on a handful of occasions in the past. He tells this funny anecdote, kinda poking fun at the King's vanilla demeanor/interests ... and what HRH is passionate about.

ALW says, "The great thing about Charles is that he has a great love of really quite a lot of causes that are a little bit unfashionable. He cares very deeply about all sorts of quite interesting things."

The guy adds this ... "I mean, like, three or four years before lockdown, I got a call from him saying could I come around to meet him at Lancaster House quite urgently, because he’d had an idea. What it was that he was worried about was the fact that there wasn’t enough access for young people to go and learn how to play the church organ."

As for the actual music itself that he's putting together ... the deets are out. It's a three-minute tune set to the melody of Psalm 98, which will include the lyrics/refrain that reads, "O sing to the Lord a new song." Lloyd Webber's expected to put his own spin on it, though.

ALW's heading to London soon to test the audio at Westminster Abbey, where the ceremony will go down. Charles may be struggling with pop acts, but he's got the classics locked down.

Taylor Swift hit the stage Friday night for the first time in 3 years to kick off her much-anticipated 'Eras Tour' ... and she blew the house down!!!

The iconic pop star was greeted by thousands of screaming fans at her sold-out show at State Farm Stadium in Glendale, Arizona.

It was a HUGE moment for Taylor, whose last tour was derailed by the COVID pandemic after the release of her album, "Lover."

Taylor addressed the issue about an hour into her performance, telling the crowd, “Is it just me or do we have a lot of things to catch up on? It’s been a really long time since I’ve been on tour."

She continued, “I can’t even go into how much I’ve missed you...because there’s no way to verbalize it.”

At another point, Taylor admitted she was “really overwhelmed, and trying to keep it together all night.”

The emotional moments were just some of the many highlights during Taylor's three-hour-plus performance in which she cranked out an eye-popping 44 songs from her 10 hit albums.

She played fan faves from her earliest to her latest records, such as “You Belong With Me," “Shake It Off," “Miss Americana & The Heartbreak Prince,” “Cruel Summer”, Ready For It?,” “Delicate," "Willow," "Fearless," "Enchanted" and "Midnight Rain."

Of course, Taylor went through a number of wardrobe changes meant to reflect the many changes she's gone through over the years. She had a bevy of dancers shimmying around her and riding "Tron"-esque light cycles as she belted out her tune, “Blank Space.” Taylor and Co. also channeled the famous Rockettes, throwing around high kicks during "22."

The stage itself extended to the back of the stadium with an artistic set design that included a gold version of the cabin featured in her video for "cardigan." There were also film images projected on a Jumbotron behind the stage.

Joe Jonas put on two great performances Friday night in NYC -- one for his Broadway show and the other to help out a fallen fan.

The pop star and his brothers, Nick and Kevin, had just finished their sold-out concert at the Marquis Theater when the drama involving the fan took center stage outside the venue.

Check out the video, obtained by TMZ, showing Joe stopping to sign autographs among his legions of followers who were packed together like sardines.

In all the chaos, one woman tumbled to the ground and, as you can hear, her girlfriend reacted with panic and anger.

But, Joe kept his cool and helped the woman to her feet with the assistance of a Good Samaritan. He then posed for a photo with the woman before crossing the street with his wife, Sophie Turner, to grab a bite to eat at Bond 45.

The couple was joined by Kevin and Nick and their wives, Danielle Jonas and Priyanka Chopra Jonas, respectively.

Rod Stewart pulled the plug on his concert in Australia Saturday ... because of some mysterious illness.

The 78-year-old rock star took to Twitter to make the announcement hours before he was to hit the stage at his Geelong show as part of his tour through the land Down Under with Cyndi Lauper and Jon Stevens.

Stewart posted a broken heart emoji next to an official statement, which read, "Live Nation and Roundhouse Entertainment regret to announce that tonight's performance by Rod Stewart, Cyndi Lauper and Jon Stevens at Mt. Duneed Estate, Geelong will not go ahead due to illness."

The message ended with this..."We apologise for the disappointment and inconvenience for ticket holders. A further announcement regarding the concert arrangements will be made early next week."

Lauper and Stevens also announced the cancellation on their social media pages.

It was not clear which performer(s) had gotten sick or the nature of the illness or how the tour will be impacted going forward.

The musicians have performances lined up in Adelaide on Tuesday, Mt. Cotton in Queensland on March 25 and 26, and Sydney on March 29.

Avril Lavigne is looking iced out these days ... and the new, flashy jewelry around her neck comes courtesy of her new bf, Tyga.

Eric Mavani, a celebrity jeweler out of New York City, tells TMZ ... Tyga gifted Avril the custom diamond chain Thursday, and the piece is worth $80K.

Avril's already posted selfies flaunting the chain and was spotted wearing it Thursday night in Los Angeles.

We're told the bling features 50 carats of white diamonds, black diamonds and pink sapphires. Diversity matters! 💎😂

As you can see, the chain features several pendants ... one with Avril's first name, two with the letter "A" imposed over a pink heart, and a pair of skulls and crossbones with pink ribbons.

We're told Tyga reached out to Eric three weeks ago, right before Paris Fashion Week, to make the piece.

The timing is worth noting ... because Tyga and Avril started hanging out a lot more when they were in Paris, kissing for the cameras and strolling through the streets hand in hand.

TMZ broke the story ... Tyga and Avril are still in the early stages of dating, and they're not putting any labels ... like girlfriend/boyfriend on anything, at least not yet.

It will be interesting to see if the expensive diamond gift changes that.