TMZ.com

Post Malone is stepping back into the spotlight after needing to be hospitalized in Boston last weekend -- powering through the pain for his fans.

Sources connected to the singer tell TMZ ... Post will perform Tuesday in Cleveland, where he's scheduled to hit the Rocket Mortgage FieldHouse.

This is pretty major news, considering fans (especially those in CLE) have been wondering if he'd be able to take the stage after abruptly pulling the plug on Saturday's gig. Now, we know he'll see his fans -- but we're told he's still nursing a rib injury from that nasty fall.

Our sources tell us PM got a CAT scan and X-Rays done over the weekend, and doctors found he's suffering from a small fracture in his rib cage. We're told Post was given pain meds to manage things -- and after a few days of rest, our sources say he's given his team the green light that he plans to rock the house.

He's got another gig Wednesday in Pittsburgh, and more shows next week. Obviously, he'll feel things out after Cleveland, but it's a good sign he's making his way back so soon.

Rihanna and her creative team are hard at work -- planning her Super Bowl Halftime Show and figuring out whether or not she'll be joined by guests -- with a list of nearly 50 possible names to hit the stage with her ... TMZ has learned.

Sources with direct knowledge of the plans tell us everyone Rihanna's collabed with over the years is fair game to possibly appear -- with stars like Kanye West, Paul McCartney, Calvin Harris, Pharrell, Jay-Z, Drake and more on Rihanna's resume.

We're told at this time, there have been no final decisions on who may join Rihanna, but she will absolutely have the final say. Our sources also tell us there's still a chance she does the whole thing solo and without a guest ... though it's likely she'll have at least one person, if shows in the past few years are any indicator.

As we reported, Rihanna and boyfriend A$AP Rocky were spotted hitting a New York City recording studio Monday night, so it's possible they're working on something together -- maybe even for the big game.

TMZ broke the story, Rihanna will be Super Bowl LVII's Halftime headliner. There were previous reports it was Taylor Swift, but we learned Swift isn't willing to take the SB stage until she's finished rerecording the rest of her old albums.

Adam Levine isn't retreating in the midst of his cheating scandal ... he's going full throttle with his Vegas residency.

Adam will be performing a series of shows in Sin City with Maroon 5 ... this according to Live Nation. Their residency will kick off March 24, 2023 at Dolby Live in Park MGM.

As we reported, Adam's not missing a beat ... he'll perform in early October with Maroon 5 at the Shaquille O'Neal Foundation's annual fundraising gala, "The Event" in Vegas.

Lots of celebs go into retreat mode during scandals like this, but Adam's forging ahead ... showing a united front -- at least in public -- with his wife Behati Prinsloo.

Five women have come forward claiming they were in various stages of a DM back-and-forth with Adam. The first woman claims she had a physical relationship with the singer ... something he's denied.

An out-of-this-world fit David Bowie rocked in a classic music vid is going up for auction ... alongside other unique props and costumes that are sewn into the fabric of music history.

A massive music memorabilia auction is set to go down in a couple of months, held by Propstore Auction ... and one of the major Tom highlights, if you will, is Bowie's spacesuit from his 1980 video for "Ashes to Ashes."

The ultra-rare suit is estimated to make up to $92K during the auction, but that number looks awfully small compared to the $1.7 million the entire auction is expected to earn.

Also going up on the block ... a custom silver sparkle Gibson Les Paul Florentine guitar used by Oasis' Noel Gallagher -- a sleek instrument that could go for $578K.

In the perfect timing department, Propstore will offer a Rihanna-worn top from her 2016 "Work" music video. TMZ just broke the story ... RiRi will be headlining the Super Bowl Halftime show in February.

And, for the army of Spice Girls fans, there will be a pair of signed boots Mel B wore during a tour.

Shakira and Gerard Piqué are still practicing social distancing, at least when it comes to co-parenting -- they both showed up to their kid's baseball game, but sat pretty far away from each other.

The exes were out supporting their 9-year-old son, Milan, Saturday in Barcelona ... Gerard was with his mom on one side of the stands, while Shakira came with some of her pals and her mom, sitting on the other side.

The singer even spent some alone time in the dugout, too.

We're told they didn't look at each other the entire game ... it wasn't until their son was saying his goodbyes after the game that they got close.

The icy environment definitely gives "unresolved issues" vibes ... and Shakira's Off-White "keep back" jacket certainly backed that up. She broke her silence on their split last week -- telling Elle she kept quiet on purpose ever since rumors started swirling in June, partially to protect her kids.

Kanye West added a little bling to his wardrobe, rocking bedazzled flip-flops to one of London Fashion Week's biggest events.

Ye -- dressed in black leather pants with a black leather jacket and hoodie -- made his way into The Burberry Spring/Summer 2023 show in Bermondsey Monday. It's the first time in a while we've seen Kanye with anything other than black boots or Yeezys on his feet.

Instead, he wore a pair of black flip-flops with socks ... and a diamond trim.

Ye doesn't usually wear anything flashy, even jewelry, so the diamonds are certainly a new look ... whether real or not.

As for Kim Kardashian, she's been with the kids in Milan after starring as Dolce and Gabbana's leading lady at their show over the weekend.

Kanye recently sat down with 'GMA' where he apologized to Kim and for causing stress in her life through his various attacks on social media.

The Super Bowl Halftime Show could be lit beyond words, because TMZ has learned the NFL and Roc Nation have been in talks with Rihanna to headline.

Sources with direct knowledge tell TMZ ... there have been multiple discussions with Rihanna and her team. We do not know if she's a firm go, but our sources say the NFL may reveal who they've locked up as early as Sunday afternoon via tweet.

Rihanna makes a lot of sense, because she's a Roc Nation artist, so it's an easy call for Jay-Z. BTW, Rihanna has been teasing her new music for more than a year, and if she's ready to release it there's no better platform than the Super Bowl Halftime Show.

We're told there have also been discussions with another performer, but it's not either/or -- in other words, there would be at least 2 performers on stage.

It's interesting ... Rihanna turned down an offer to headline at the 2019 Super Bowl Halftime Show because of her opposition to the way Colin Kaepernick was treated by the NFL.

TMZ broke the story ... the NFL asked Taylor Swift months ago to headline the Halftime Show, but she took a pass.

We're told she'd like to do the Super Bowl, but only after she rerecords all 6 of her early albums, and she's only rerecorded 2 so far.

Jamie Foxx is ready to perform on the drop of a dime -- proven in his impromptu singing of one of his most famous songs ... which had an assist from Diplo.

The comedian hit XS Nightclub in Vegas Friday, rolling in around 3 AM with a large crew and joining Diplo -- who was DJ'ing -- onstage. Seems he was in the mood for a classic ... diving into his and Kanye's smash hit, "Gold Digger," as if it was 2005 all over again.

It's pretty cool to see Jamie belting out his old ditty ... dude hasn't lost a step, and people definitely haven't forgotten it either. They were singing along word for word. We're told Jamie stuck around a bit longer to help sing "Rack City."

JF wasn't the only celeb to pop in either ... Imagine Dragons' Dan Reynolds also made a cameo at XS. He showed up almost at 4 AM, and he too waved to the crowd from Diplo's elevated position. Dan also got on the mic a bit, but didn't sing or anything.

Speaking of Diplo ... he's on a bit of a high right now. The guy recently won a lawsuit against a woman who was allegedly harassing him, scoring a massive judgment in arbitration.

The Portola Festival in San Francisco was out of control Saturday, and it was impossible not to look and recall the tragedy in Houston.

The event went down at Pier 80 in San Fran, and it was packed with people ... some of whom stormed the barricades to get inside for Fred Again and Charli XCX.

Whatever security was there ... they were completely overwhelmed. It didn't seem there was any serious attempt to control the crowd.

The Festival runs through Sunday and some of the biggest names in dance music are hitting the stage, including Flume, The Chemical Brothers, Gorgon City, Kaytranada, James Blake, M.I.A., Lane 8, Peggy Gou, Fatboy Slim, Caroline Polachek, Toro Y Moi, Caribou, Jamie xx, Four Tet+Floating Points and more.

The Festival is produced by Goldenvoice ... the same org that puts on Coachella.

As far as we know, there were no serious injuries ... at least so far.

Aaron Carter had cops at his door for a welfare check after going live on Instagram ... because worried fans believed he was possibly doing drugs off-camera.

Law enforcement sources tell TMZ ... police received a call Tuesday evening -- with many saying Aaron was "possibly overdosing on social media."

In case you missed it, Aaron went live Tuesday night to chat it up with his followers ... but at one point, the screen went black -- and some fans thought they could hear spraying and inhaling going on in the background.

Cops and the fire department responded to Aaron's home in Lancaster -- sources say they tried calling Aaron and knocking on his door to no avail at first, but eventually made contact with him. Aaron told officers he was sleeping.

We're told cops found no drugs ... and say there was no criminal activity or any type of suicide attempt, either.

Our sources tell us his IG followers would call the cops more often in the past ... and they think his recent behavior online caused alarm once again.

Aaron later claimed it was all a joke, calling himself "the troll hunter" while spraying what appears to be an air freshener. Some fans online weren't buying it -- with some even noting the two sprays sound different.

As we reported, the singer was talking in L.A. last Sunday about his struggles with his on-again, off-again GF ... and he added he's been clean for 5 years and is going to meetings for his past drug addiction.

Music may be the last vestige of civility in the U.S. -- with each half of the country hating the other half -- and the annual Global Citizen Festival Saturday proved the point.

Mariah Carey, Metallica and the Jonas Brothers hit the stage in NYC's Central Park for a concert that showed everyone can come together, at least for some good tunes.

It's become a tradition -- the 10th this time around -- to underscore how music can make our spirits brighter.

There's also a long play for the event ... to cajole corporate bigwigs to ante up in an effort to end extreme poverty.

The Jo bros went first with songs like "What a Man Gotta Do," "Sucker" and "Only Human." Nick performed "Jealous" and Joe did the honors for "Cake by the Ocean."

Mariah was awesome! The crowd went nuts as she sang "Obsessed," "Honey," "We Belong Together," and, of course, "Hero."

Metallica hit the stage with "Nothing Else Matters," "Creeping Death," "For Whom the Bell Tolls," "Enter Sandman" and "Sad but True."

Charlie Puth got in on the action with “New York State of Mind” and "Left and Right".

President Biden appeared on video to tout the new climate legislation that he signed.

Post Malone just canceled his Boston concert right before showtime ... and he's citing pain that seems to be carrying over from his fall a week ago.

The singer broke the news a few hours before he was scheduled to take the stage Saturday night at the TD Garden, taking to his socials to explain he was feeling a sharp pain in his side that required him to go to the hospital again.

PM writes, "On tour, I usually wake up around 4 o'clock PM, and today I woke up to a cracking sounds on the right side of my body. I felt so good last night, but today it felt so different than has it before."

He goes on to say he feels a "stabbing pain" every time he moves or breathes, apologizing to his Beantown fans and promising their tickets will be good for another date in the future ... so it sounds like it's been postponed. But at any rate, Post won't perform tonight.

Sounds like there's a lot of confusion (and frustration) on the ground there at the arena ... with different reporters saying that droves of people are now leaving after being told by security as they were waiting to get in that Post Malone had postponed the show.

He's been performing since his tumbling through a hole on stage last weekend and cracking a few of his ribs. PM told fans later that he'd be okay and back on tour soon, but it sounds like he's still not 100%, even now.

Roger Waters needs to know his audience better ... he had scheduled concerts in Poland after essentially blaming Ukraine for the Russian invasion, so now he's decided to pull the plug on the whole thing.

Waters was set to perform at the Tauron Arena in Krakow. Thing is ... it's possible the war could be over by then -- possible. He clearly knows, however, hard feelings would linger so he's 86'd those appearances.

His manager is the one who pulled the plug, although he didn't say why, but it's obvious.

Waters recently wrote a letter to Ukraine's First Lady, Olena Zelenska -- a letter he made public -- claiming "extreme nationalists ... set your country on the path to this disastrous war."

Officials in Krakow had a resolution on the table for the coming week, in which they were about to name Roger persona non grata over his view of the war.

Waters has been on a tear against Ukraine and any country that supported it, including the U.S. for supplying weapons. He also took aim at NATO, which he says provoked Russia.

No one's gonna guarantee you can play guitar like Jimi Hendrix or Elvis Presley, but if nothing else ... ya might be able to decorate your home with the ones they strummed.

The Legends of Rock and Roll auction will go down next month, and some really unique and iconic axes will be up for grabs.

The auction features guitars personally owned or played by some of the biggest rock stars of all time.

Imagine getting your hands on Jimi's Japanese Sunburst electric guitar, which was a gift from his father. It's expected to fetch around $250K!

Kurt Cobain's acoustic guitar comes with an actual estate receipt, while Elvis' 1975 Martin D-28 guitar will also be on the auction block. Bonus for the King's instrument ... it comes with the case too!

The auction will offer some potentially more affordable options too -- guitars from Paul Stanley of KISS, Blink-182's Tom DeLonge and The Cure's Robert Smith.

And, if you're not interested in pretending you're a guitar hero, check out the random memorabilia.

Imagine rocking James Brown's monogrammed dressing room robe and slippers, Rick James' custom-made, and stage-worn, snake jumpsuit ... or Johnny Cash's 14K bracelet and matching ring.

Britney Spears says she may never perform again, but that doesn't mean she won't get in the booth anew -- proven with Elton John ... and maybe, soon, with Benny Blanco.

The award-winning record producer -- who's actually worked with Britney before -- spilled the beans about a possible collab while chatting with radio host Kannon of "Open House Party" -- a nationally-syndicated show famous for playing Top 40 pop songs/fan requests.

In this particular sit-down, Benny touches on the fact that he's recently reached out to BS -- about a month ago, he says -- to see if she might be interested in joining forces again.

Diehard Britney fans might recall ... BB actually helped write and produce her '08 hit record, "Circus" with Dr. Luke -- and it had a successful run at the time on the charts, and actually went on to become her second-highest selling digital single ever. So, yeah ... good results.

Anyway ... listen to what Benny has to say about linking up once more -- it sounds like he's holding his cards close to the vest here, but he makes it clear that both he and Britney have spoken about the possibility of doing something again. Whether she took him up on that, we'll just have to wait and see ... but we know she's not averse to crooning post-conservatorship.

Of course, she lent her vocals to a remix of "Tiny Dancer" recently ... and it did well, even though Britney could hardly be heard on it. So hopefully a Benny collab would just be all her ... assuming she's up for it, that is.

BS recently suggested she'd never hit the stage again ... out of spite, apparently. She says she's so traumatized by the conservatorship, that she wants to stick it to her dad and co.

Elton John's performing at the White House for a TV special ... and a packed house, including celebs, is on hand to see the Rocket Man.

The rock icon says playing the South Lawn at 1600 Pennsylvania Ave. is the coolest venue in his career, calling it the "icing on the cake" ... and he started his set with his hit, "Your Song."

Elton told the crowd it felt wonderful to be among so many folks who have supported his AIDS foundation over the years ... then went to work on the piano.

Billie Jean King was in the house ... and the political power players included President Biden, Jill Biden, Pete Buttigieg and Nancy Pelosi, among others.

The White House streamed opening remarks from Elton, plus his first song before cutting out ... the rest of his performance will air at a later date as a TV special on A&E Networks.