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Taylor Swift and Travis Kelce made a surprise appearance at Coachella Saturday night ... getting cozy backstage while showing support for Tay's Collaborators.

The couple was spotted backstage hugging and dancing while friend Jack Antonoff's band Bleachers performed.

Traylor also showed support for Tay's "Karma" collaborator Ice Spice during her Coachella performance.

Gwen Stefani and the men of No Doubt set Coachella ablaze last night ... returning to the stage together for the first time in nearly a decade.

Gwen, bassist Tony Kanal, guitarist Tom Dumont and drummer Adrian Young took the stage last night, playing a nostalgic and high-energy set ... performing their first gig together in -- as Stefani herself put it -- "nine f***ing years!"

The band performed an 80-minute set and fans ate it up ... calling the reunion "iconic" and "one of the best performances of the year" on social media.

Morgan Wallen's squashing rumors he's feuding with his ex, KT Smith ... hangin' out with Smith and their son Indigo in the first photos taken since his arrest.

The singer-songwriter stepped out in Nashville in a casual outfit ... t-shirt and jeans just days after cops arrested him for allegedly tossing a chair off the roof of a popular Nashville bar.

KT's also dressed in a causal outfit ... great for running after their little one, Indigo -- who's turning four this summer. She's holdin' the little dude in some pics and just tryna keep up in others.

Lil Tay's startin' a music beef ... blasting comparisons to JoJo Siwa -- and slamming her as a fraud for purchasing her songs.

The controversial rapper took to X after one user jokingly called her Siwa while sharing a clip from her "SUCKER 4 GREEN" music video.

Welp ... Tay didn't take too kindly to the comparison -- 'cause she says she just found out who JS was from the tweet, and she tells fans she doesn't want to ever hear their names in the same sentence again 'cause she doesn't pay other people to write her music.

Billie Eilish gave herself -- and the crowd -- a real treat at Coachella Friday night ... turning up on stage as a special guest to perform with her idol Lana Del Rey.

The iconic pairing came as a surprise to the packed audience on weekend 1 of the 23rd annual festival in Indio, California. But, for Billie, it was everything she could ever hope for given that Lana has been such a major influence on her music.

Bille suddenly emerged from backstage and launched straight into her tune, "Ocean Eyes," with an assist from Lana. Then the stars did another duet, singing Lana's song, “Video Games."

Shakira had a double surprise for the crowd at Coachella on opening night ... first, she popped up for an unexpected performance, and then she announced a world tour!

The singer made her dramatic debut Friday evening at the 23rd annual festival in Indio, CA, joining Bizarrap onstage to play their songs, “La Fuerte” and “BZRP Music Sessions, Vol. 53.”

Check out this video, obtained by TMZ -- Shakira was standing on an elevated platform, which gradually lowered her to the floor.

Coachella is back ... and some of the biggest names have snagged invites to the hottest party in town during the festival weekend.

The Neon Carnival guest list is a well-guarded secret each year, but our party sources out in the desert tell us Kyle Richards, Paris Hilton, Bebe Rexha, Jonathan "Foodgod" Cheban and Tyga made the cut for Saturday night's bash, which is going down at the Desert International Horse Park in Thermal, CA -- not far from the main Coachella grounds.

Other favorites like rapper Coi Leray and actress Peyton List will also be partying the night away at the celeb-packed event.

Tina Turner's getting a huge honor in the place where she was born, as local leaders have approved a bronze Tina statue -- about a year after the mayor first promised to erect one.

Bill Rawls, Jr. the mayor of Brownsville, Tennessee tells TMZ ... the city has decided to fund a six-foot-tall bronze statue that will be placed in the city's Heritage Park, which is located right near the high school Turner attended.

We're told the statue's gonna cost around $150k with the city making the initial deposit before public/private funds cover the rest. The fundraising is starting ASAP, but Rawls says he's not worried about puttin' together the cash.

JoJo Siwa has addressed the rumors she stole her new song from Miley Cyrus and Brit Smith ... telling TMZ she in no way swiped the single from anyone.

We caught up with the 20-year-old outside Studio Siwa in Burbank, where she told us how she came into possession of her viral track, "Karma." As JoJo put it ... she was pitched the song -- which she defended as a very normal thing in the music industry.

She added ... "What happens is, people write songs and then they just don't do anything with them. And then, a few years later, it makes more sense for another artist."

K-pop star Park Boram is dead, and multiple media outlets in Korea are reporting her death came after a night of heavy drinking with friends.

According to the Korea Herald, Park died Thursday at a hospital, but she had first collapsed while at a friend's house ... and might have suffered a cardiac arrest -- but the exact cause of death is still under investigation.

Another report, from AllKPop, says one of Park's friends found her unconscious and slouched over a bathroom sink -- and one of her friends then performed CPR, attempting to revive her.

Nashville bar owner Joey DeGraw's not happy about Morgan Wallen's alleged rooftop bar antics, 'cause while the tossed chair didn't hit anyone ... it could still ding the city's booming nightlife scene.

Joey and his brother, singer-songwriter Gavin DeGraw, know all about Nashville's Broadway party scene -- they own one of the strip's hot spots -- and he tells TMZ ... he's annoyed Wallen allegedly chucked a chair from the 6th floor because it could've seriously hurt someone.

JD says he's not worried about Morgan and his drinking -- in fact, he thinks the incident might help his career -- but he is worried about how it might impact tourism on Broadway, Nashville's main attraction attraction.

JoJo Siwa is walking back her claim about wanting to create a new genre of music, called "gay pop" ... saying she didn't mean to snub the LGBTQ+ legends who came before her.

We caught up with the 20-year-old singer outside Studio Siwa in the L.A. area Wednesday ... where she told us she was simply misunderstood when she said in a Billboard interview she planned to invent gay pop with the release of her song "Karma."

She said her mission was to simply raise awareness regarding the genre of music, since many people are still unfamiliar with it. However, she did acknowledge she underestimated the public's familiarity with queer icons ... like Elton John, Freddie Mercury and Madonna, etc.

Morgan Wallen allegedly tossing a chair off a rooftop is the last thing anyone would expect ... based on new images of him casually chatting up a woman Sunday night, just moments before he wound up in handcuffs.

Photos obtained by TMZ show the country star minutes before the chair-chucking incident ... and as you can see, he was talking to the woman in a black miniskirt. We're told the man in the red and black flannel is a member of Wallen's crew, who was telling patrons not to take photos.

Eyewitnesses tell us Wallen appeared intoxicated, and at least to their eyes, seemed to be flirting with the woman ... roughly 20 mins before cops cuffed him.

Lenny Kravitz could have gone straight from the gym to the stage in his latest workout clothes.

The iconic singer posted a vid on Insta Tuesday, showing him pumping iron inside a gym with music playing in the background.

What was unusual about it was his choice of fitness attire ... Lenny looked like he was about to perform in front of a huge crowd, wearing his customary black leather pants and dark sunglasses with a mesh shirt.

Ricky Martin 100% seemed to have an erection at Madonna's show this past weekend -- while it may have been unclear at first ... this new video leaves nearly no doubt.

Check out this video we obtained that captures the erotic moment from Sunday's concert in Miami -- where Rick was onstage with Madge and getting a lot of close contact from her dancers during the "Vogue" segment of her show ... where she and a guest judge them.

As you can see in this footage -- shot from a much closer vantage point and at a slightly different angle -- Ricky does, in fact, appear to get aroused during the sexy rub-up.

Heather McDonald's spilling all the deets about her hangout sesh with none other than Britney Spears, who shared -- then swiftly deleted -- an IG clip of their night out.

The clip made it seem like Heather and Britney were lifelong besties, with the pop star screaming in joy while Heather nailed a Drew Barrymore impression -- but HM explained on "Juicy Scoop with Heather McDonald" they had actually met only moments earlier!

It all went down back in December as Heather was dining out in Hollywood, where she spotted Britney celebrating her birthday with her manager Cade Hudson.