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Demi Lovato refused to tell paramedics what drug caused her to overdose, and law enforcement sources say no drugs were seized at her home.

Law enforcement sources say Lovato was not cooperative when EMTs worked on her at her home Tuesday morning. Those sources believed it was a heroin OD based on what they observed at her home, but a source close to Lovato tells us it was not heroin, though the source refused to divulge what caused the OD.

As we first reported, Demi was unconscious when paramedics arrived and she was brought back to consciousness with Narcan, which is used to counter the effects of opioids.

Our law enforcement sources say there is NO criminal investigation, because they did not seize any drugs and can't determine if Demi was in possession of an illegal substance.

The next generation of the Big Baller Brand empire has arrived -- Lonzo Ball's girlfriend has given birth to a baby girl, TMZ Sports has learned.

We broke the story back in February ... the 20-year-old Zo and his high school sweetheart, Denise Garcia, were expecting a baby baller of their own.

A family rep confirms Zoey Christina Ball was born on Sunday. We're told the baby girl is as happy and healthy as can be.

Lonzo and Denise started dating back when they were kids in Chino Hills.

Chloe Kim's rapping skills have no limit ... 'cause the U.S. Olympic hero grabbed the mic with G-Eazy at an ESPYs after-party ... and we gotta admit, she KILLED it!!!

The snowboarding gold medalist hit up the official awards after-party at L.A. Live on Wednesday ... and didn't even hesitate when Young Gerald asked her to spit Cardi B's verse on his hit, "No Limit"

The people in attendance totally lost it ... and rightfully so. Chloe knows ALL the words (even the dirty ones).

Tekashi69 is going where no one's seemingly gone before when it comes to the chain game -- not only did he spend $95k on some new bling, but he added human hair to it!

The NYC rapper just threw down for a "My Little Pony" chain covered in VVS diamonds. The pendant alone cost $45k, while the chain was $50k, but the real eye-catcher is the mane ... which came from Tekashi's own colorful mop. Tekashi even had his hairdresser style it.

The owners of SHOP GLD in Miami tell us he ordered it a few weeks ago, but called them Tuesday saying he needed it for the new music video he's shooting with Nicki Minaj.

A limited batch of a smaller version of the chain will be available for fans, but we're guessing those will NOT include 6ix9ine's hair.

Dana White's son, Aidan, got a 16th birthday party with as much star power as one of Dad's UFC fights ... and way more stage diving.

Aidan had the run of Drai's in Las Vegas -- with a daytime pool party and nighttime concert featuring Migos, A$AP Rocky and DJ Carnage. Aidan's the one who hurled his body off the stage during the pool party.

The concert kicked off when the sun went down and, as you'd expect for a Vegas high roller, Drai's pulled out all the stops. Dana's pal, Everlast, also performed a couple songs.

And, the icing on the birthday cake?

Dana hooked up Aidan with his own customized Land Rover Defender ... y'know the super limited edition model most Hollywood celebs can't get.

9:55 AM PT -- It's a wrap ... Faith and Stevie have already done the deed. Multiple sources at the ceremony confirm they tied the knot in their hotel room Tuesday night ... around 10:30 PM.

Pass the champagne!

Faith Evans and Stevie J are THIS close to becoming Mr. and Mrs. Jordan ... TMZ's learned they've applied for a marriage license in Las Vegas.

According to docs, the singer and producer filed for the license in Clark County on Tuesday. The clock's now running, they have one year to tie the knot. But it seems like they won't need that long -- Stevie tweeted Tuesday, "I love you Faith Renee Jordan," and Faith replied, "I love you back Steven Aaron Jordan."

The couple had broken up last year -- but, you know what they say, break up to make up.

The news comes on the heels of a steamy clip Stevie J posted last week from a music video he and Faith shot for their track, "A Minute." They had also been flirting on Stevie's show, "Leave It to Stevie" ... but this is a big turnaround for him.

TMZ broke the story ... Stevie avoided going to prison for failing to pay child support. He's on the hook for over a million bucks. He also battled a nasty child custody case with his ex, Joseline Hernandez.

This would be Stevie's first marriage and Faith's third -- she was previously married to the Notorious B.I.G. and Todd Russaw, whom she divorced in 2012.

Michelle Williams of Destiny's Child has checked herself into a mental health facility to seek help for her struggle with depression ... TMZ has learned.

Sources tell us Williams is getting treated in a facility just outside of Los Angeles and has been there for the past several days. Michelle has been open with her struggles in the past ... revealing her battle with depression in an interview last year.

In a statement Tuesday, Michelle says, "For years I have dedicated myself to increasing awareness of mental health and empowering people to recognize when it's time to seek help, support and guidance from those that love and care for your wellbeing."

She continues, "Today I proudly, happily and healthily stand here as someone who will continue to always lead by example as I tirelessly advocate for the betterment of those in need."

Williams famously reunited with Beyonce and Kelly Rowland at Coachella in April ... the first time the group had performed together in several years.

Kim Kardashian and Kanye West paid a little extra attention to North on Friday ... but Saint made it clear he was not to be forgotten.

The proud parents went to their 5-year-old daughter's fashion show at a design camp she's been attending with a friend, where the kids get to design their own dresses and clothing. We're told Friday was the big show for the kids to reveal their designs to their moms and dads.

As you can see ... North's is stylin'!

Our sources say Kourtney also came to the show with her kids Mason and Penelope ... we're told Kim and Kanye took the whole crew out to eat at Carasoul after to celebrate.

It's unclear what caused Saint's display of emotion as the family was leaving the show ... but we're going to guess it must have been the beauty of his big sister's design.

Carl Lentz -- the pastor at the Hillsong church who was inseparable from Justin Bieber -- appeared to have trouble congratulating Justin on his engagement, and we're told it's because the 2 have had a major falling out.

Lentz was in Sydney, Australia Friday when the photog asked about Bieber, and it's pretty clear Lentz was uncomfortable.

Sources connected to Bieber tell TMZ ... Justin became angry at Lentz a while ago and broke ties with the pastor.

Justin and his fiancee, Hailey Baldwin, have both been active members of Hillsong and continue to patronize the church but, at least as far as Justin is concerned ... Carl is history.

We contacted Lentz, who told us he will not comment on his personal relationship with Bieber.

5:00 PM PT -- Stormy won't be skipping out on a strip club appearance tonight after all ... she just said she's taking her talents to Vanity Gentlemen's Club in Columbus. She added that the owners of Sirens were "too fearful" to have her back.

Stormy Daniels just bailed from night 2 at the Columbus strip club where she was arrested Wednesday night, and her lawyer says there are various reasons why ... including "security concerns."

Michael Avenatti tells TMZ there were a variety of reasons why his client will not return to Sirens. He would not say if Stormy received death threats, but acknowledged there were safety issues.

Avenatti says Stormy wants to perform tonight and is looking for another venue in Columbus.

Buffalo Bills running back LeSean McCoy says allegations he beat up his ex-GF are "totally baseless and offensive" -- saying he has not spoken to the alleged victim in months.

And TMZ Sports has learned McCoy recently SUED the woman in an effort to kick her out of the home that he owns.

Photos surfaced early Monday morning showing a bloody Delicia Cordon in what appears to be a hospital bed.

De's friend posted on Instagram pointing the finger squarely at McCoy saying, "THE DEVIL!!! YOU ARE AN ANIMAL!!"

She also claimed he's been using illegal drugs, steroids and viciously beat up his son and their dog.

Now, McCoy has responded on social media -- saying, "For the record, the totally baseless and offensive claims made against me today on social media are completely false."

"Further more, I have not had any direct contact with any of the people involved in months."

Officials tell TMZ Sports ... EMTs responded to a home on Delicia's street early Monday morning. There are only 3 houses on her block. They would not reveal details about the situation.

We've learned LeSean and Delicia have had a contentious relationship for a while -- according to docs obtained by TMZ Sports, McCoy went to court in June seeking to get a judge's order forcing to her to move out of a home he owns in Alpharetta, Georgia.

"Love & Hip Hop Atlanta" star Tommie Lee must really want a judge to throw her behind bars 'cause she was arrested again.

Law enforcement sources tell TMZ Tommie was busted early Monday morning in Atlanta outside of the Royal Peacock club after a cop told her to get out of the roadway where he was directing traffic ... and she allegedly ignored his instructions and got belligerent.

The tipping point ... cops say Tommie struck a nearby valet working for the venue in the head, and that's when officers made their move to detain her. We're told the valet didn't want to press charges, but cops arrested Tommie anyway and booked her for disorderly conduct while under the influence.

It's unclear what cops think she was on, but booze could spell big trouble -- as in, jail time -- for Tommie. Just 2 months ago a judge ordered her to wear an alcohol monitoring device, and stay out of trouble.

The man who helped Stan Lee create 2 legendary Marvel superheroes -- Spider-Man and Doctor Strange -- has died at his home in New York ... TMZ has learned.

Steve Ditko was found unresponsive in his NYC apartment on June 29 when a social worker who hadn't heard from him in a while went to Steve's home to check on him ... according to law enforcement.

The chief medical examiner listed the cause of death as arteriosclerotic and hypertensive cardiovascular disease -- basically, a heart attack brought on by clogged arteries.

Ditko was one of the most acclaimed comic book artists of all time, best known for creating Spider-Man with Lee in 1962, and Doctor Strange a year later. The stories they crafted together inspired the 2016 "Doctor Strange" film starring Benedict Cumberbatch.

While Stan became the face of Marvel and "The Godfather of Comic Books" to the public, Steve remained enigmatic over the years -- refusing to do interviews or make public appearances. He continued to work at a Manhattan studio, though, until at least 2012.

Steve was 90.

Well, THAT didn't take long ...

LeBron James hasn't played a minute for the Purple & Gold yet ... but that hasn't kept him from getting the Kobe Bryant treatment ... getting a MASSIVE mural in the streets of L.A.!!

Just days after announcing his decision to bail on Cleveland again, King James has been painted on Baby Blues BBQ in Venice ... donning his new threads and trademark stare.

We're told the artist behind the mural is Jonas Never -- who just completed a piece for the late Anthony Bourdain -- with the help of fellow artist Menso ... and it took about 12 hours to complete.

Diddy is standing by the CEO of his Revolt television network, Roma Khanna ... despite claims of racist behavior by a former staffer.

According to a letter sent to the Revolt board by the ex-employee -- who claims to be a "young, educated black woman" -- Khanna has openly admitted black women intimidate her.

The woman also alleges Khanna responded to the idea of Meek Mill speaking about prison reform with a racist comment. She claims Khanna said, "Maybe the conversation isn't about prison reform, maybe it's about how to stay out of jail, black boy."

The letter, obtained by the New York Post, also claims Khanna laid off 30 percent of the Revolt staff for restructuring, and 99 percent of them were African-American.

Diddy tells TMZ ... "This story is inaccurate. We are a Black owned and operated network and we have a zero-tolerance policy for discrimination of any kind. Revolt is led by a woman of color who is expected to uphold the same standards that I hold for all of my companies. After an extensive review led by outside counsel there were no findings of deliberate misconduct. At this time, Roma Khanna will remain as CEO of REVOLT."

WWE Raw tag team champion Bray Wyatt suffered multiple injuries in a head-on car crash on Friday ... but tells TMZ Sports, "I'm gonna live through it because I can't die."

Wyatt -- real name Windham Lawrence Rotunda -- was in Tampa, Florida and on his way to the airport to leave for Raw WWE Live Events when he smashed into another vehicle.

Wyatt's car was totaled and he was treated at Tampa General Hospital. He's since been released.

We just spoke with Wyatt, who tells us he's in good spirits -- "I'm moving around."

WWE has also issued a statement saying, "Due to the injuries sustained, Wyatt did not compete at this weekend’s WWE Live Events and will not be present at tonight’s Raw."

Wyatt is from a legendary wrestling family -- his father Mike Rotunda is a former WWE superstar (he's famously known as the buffed out tax guy nicknamed I.R.S.).