TMZ.com

Kylie Jenner just launched King Kylie 2.0 ... and of course, Hailey Bieber was there, bestie mode activated, helping her celebrate the makeup drop and her new single like a boss!

The makeup mogul rocked iconic flowing blue highlights -- throwback to 2015 -- flaunting her killer frame in a tiny black bra and leather pants ... while Hailey kept it chic as they hit West Hollywood Monday night.

Kylie’s signature edgy glam -- the very look that launched her beauty empire -- was on full display, slaying just like a decade ago, as she and Hailey grabbed drinks at Urth Café, before heading to French hotspot Marvin.

Kylie Jenner is proving she's the baddest b*tch around ... 'cause she just made her musical debut -- using her King Kylie alter ego!

That's right -- King Kylie is back ... and collabed with Los Angeles duo Terror Jr for a sexy new single, "Fourth Strike."

Kylie shared the breathy song on her official YouTube page and fans can hear her sultry yet crisp vocals toward the end of the song as she croons ... "One strike, two strike, let me get the mood right ... Do it on purpose just to see how it ends." She closes out her verse by whispering "King Kylie."

Former model Eli Swanson was 24 years old when he caught the eyes of millions, scoring the gig of Britney Spears' astronaut in the "Oops I Did It Again" music video.

Prior to walking the moon for Britney, he was modeling and bartending. Today, Eli is an orthopedic trauma surgeon!

"Britney! Before you go, there's something I want you to have ... Well, baby, I went down and got it for ya."

Demi Lovato's one-night-only Los Angeles show might not stay that way for long ... 'cause TMZ has learned her team is actively exploring bigger venues and even a possible tour after overwhelming demand left thousands of fans in a frenzy.

Demi announced the L.A. show on her social media Monday morning, and sources with direct knowledge tell us over 200,000 people flooded the online queue for the October 25 concert at the Hollywood Palladium, which holds just 4,000 fans. Within 20 minutes, we're told the show was sold out.

Our sources say Demi's team immediately began discussing an expansion ... looking at larger venues and mapping out logistics for a potential multi-city tour tied to her upcoming album, "It's Not That Deep," which drops October 24.

Gayle King's totally here for Taylor Swift’s new docuseries and concert film ... telling TMZ she loves it ... but she admits there’s one thing that’s seriously bugging her!

We caught up with Gayle in NYC Monday ... and first things first, she’s making it clear she’s not fashionably late to the Taylor party -- she’s a full-on Swiftie, loving every behind-the-scenes moment in the docuseries.

But there’s one thing Gayle can’t get behind ... the docuseries landing on Disney+ instead of Paramount+ or CBS, where she hosts "CBS Mornings."

Eminem's family is growing a little bigger ... because he's going to be a grandad, again!

The Grammy-winner's eldest daughter Alaina, 32, announced Sunday she's expecting her first baby with husband Matt Moeller.

She posted, "THE BEST OF YOU + ME. For months, I've carried a tiny heartbeat inside me, one that has already changed mine in every possible way. There's something indescribable about knowing there's a little life growing, dreaming, and becoming, all while you go about your day, whispering prayers and hopes only they can hear. I've never felt more grateful for this gift and to grow our family, something we've wanted for so long. Thank you God for this blessing."

Taylor Swift is ready to fully pull back the curtain on her iconic "Eras Tour" ... announcing a brand-new docuseries and concert film.

The big reveal went down Monday morning on 'GMA' ... where a six-part docuseries titled, “Taylor Swift | The Eras Tour | The End of an Era” and a new concert film, “Taylor Swift | The Eras Tour | The Final Show,” will drop on Disney+ December 12.

For the docuseries, the announcement teases behind-the-scenes footage ... featuring Taylor’s family, friends, tour openers like Gracie Abrams and Sabrina Carpenter, and celeb guests including Ed Sheeran and Florence Welch.

Everyone knows there's no lack of talent in Hollywood these days ... and we wanna know if you can guess who this multi-talented star is!

We ran into this actor-musician after he had finished up his band's performance at the VMAs in 2017, and he did a pretty good job of keeping his post-show rush under the radar!

Lostprophets singer Ian Watkins, a convicted pedophile, was killed in a prison attack in the United Kingdom.

Multiple reports out of the UK on Saturday say Ian died after being attacked in jail by a knife-wielding inmate.

Ian was serving a 29-year prison sentence at HMP Wakefield after being convicted on child sex offenses ... including the attempted rape of a baby.

Argentine singer and former model Fede Dorcaz was tragically shot and killed just days before he was set to appear on a Mexican dance competition show.

The 29-year-old was reportedly attacked during an attempted robbery Thursday night in Mexico City, shortly after leaving dance rehearsals to drive home.

According to the Mexico City Secretariat of Public Safety, Dorcaz was shot in the neck while trying to exit a road and died instantly at the scene.

Sombr says he's officially made it in Hollywood ... because his music got a stamp of approval from the person he sees as the greatest living artist ... Taylor Swift.

We got Sombr at Nine Orchard in New York City on Friday just hours after he played a sold out show and our photog asked him about the emotions of getting a shoutout from Taylor herself.

In a recent interview, Taylor revealed that she had been listening to Sombr's music.

Anotha' day, anotha' dolla for Cardi B -- but let's be honest, she's makin' more than just dollars on the daily. Today however is solely about her 33rd birthday! Sit back -- don't be throwin' beverages -- and enjoy the smoke show!

Whether in a dress or a neon swimsuit, the iconic rapper knows how to drop it like it's hot, it's honestly impressive!

And when she's not with the kiddos, she's puttin' in that work up in the studio ... and when it's showtime she busts out in dope 'fits like this black ensemble.

Billie Eilish faced a scary moment during her Miami concert ... when a fan violently grabbed her while she was greeting the crowd.

The singer-songwriter was performing for a sold-out crowd Thursday night at the Kaseya Center ... kicking off the North American leg of her "Hit Me Hard and Soft" tour.

Check out the video ... BE gives her die-hard fans high fives as she walks along the barricade -- until she's suddenly grabbed, stopped her in her tracks, and has her arm twisted.

John Lodge, the legendary bassist and singer from The Moody Blues, has died.

The Rock and Roll Hall of Famer's family announced the news in a lengthy Facebook statement Friday ... saying his death was unexpected but he "peacefully slipped away surrounded by his loved ones and the sounds of The Everly Brothers and Buddy Holly."

His cause of his death was not disclosed.

5:30 PM PT -- Maggie Baugh posted a teaser on Instagram of her new song -- 'The Devil Win' -- revealing some of the lyrics, and some fans are connecting them to the rumors that Baugh was somehow involved in Keith Urban and Nicole Kidman's divorce.

MB is heard singing "I don’t know what the hell I believe in / I don’t know how to heal my soul / Or how to fight this feeling and it’s a damn good place to go / No matter how close I get to the burning edge / Tempting as it is, I won’t let the Devil win."

It's unclear what the song is about -- especially since the clip is just a portion of the full track -- but fans stop at nothing to hype up the rumors circling around online.

Maggie Baugh is breaking her silence as romance rumors swirl around her and Keith Urban ... but she's not talking about the elephant in the room -- instead, she's plugging her new music.

The rising country star hopped on Instagram Wednesday and posted a snippet of her upcoming single, "The Devil Win." She'd teased an announcement Monday, and this seems to be what she was referring to.

A source with knowledge tells TMZ ... Keith was not involved with any aspect of the album ... and he's not listened to it.