Shaggy Who's That Dead Guy? Wasn't Me.

Reggae pop star Shaggy was not stabbed in a bar fight this week ... and he sure as hell ain't dead despite Internet reports to the contrary ... this according to a living, breathing Shaggy.

Once again, the Internet death machine cranked out a rumor that Shaggy kicked the bucket after taking a shiv to the liver during a brawl in L.A.. In fact, someone even updated Shaggy's Wikipedia page with bogus info.

But lo and behold, Mr. Boombastic lives ... and it ain't the first time he's been the victim of a cyber-death hoax. It's happened about a billion times before.

A rep for the Reggae star tells TMZ ... "[Shaggy] is like a cat with 9 lives … but I can happily report that he’s alive and kicking and in the same building as me right now as we speak."

Fantastic.

Adrienne Maloof Date Night with Sean Stewart?

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Newly single "Real Housewives of Beverly Hills" star Adrienne Maloof has seemingly moved on with a new man (and he's barely a man) in the form of Sean Stewart.

Yes, it seems the new couple -- whose age difference is nearly 20 years -- went out for a night on the town, hitting up the popular Beverly Hills restaurant Crustacean last night.

Maloof settled her divorce from ex-hubby Paul Nassif back in November 2012, a few months after Nassif filed papers.

MJ's Doc Arnold Klein I'm Prince Jackson's Dad ... Maybe

Dr. Arnie Klein -- Michael Jackson's famed dermatologist -- has just taken credit for fathering MJ's son Prince Jackson ... sort of.

Klein posted the cryptic picture on his Facebook profile yesterday, showing Prince side-by-side with an old photo of Klein when he was younger -- presumably to show the resemblance.

Under the photo, Klein wrote the caption, "hmmmmm" -- a wink at people who've been saying for years that Klein provided the sperm that fathered Prince and Paris.

You'll recall, Michael Jackson's ex-wife Debbie Rowe gave birth to Prince in 1997, and daughter Paris the year after. MJ's third child Blanket was born to an anonymous surrogate in 2002.

Debbie was Arnie's medical assistant back when Michael was a patient -- but she's never spoken publicly about the identity of the father.

Arnie has previously denied being the dad, telling Diane Sawyer, "To the best of my knowledge, I am not the father of these children."

So we gotta ask ...

Michael Lohan My Daughter Is Not a Hooker

Lindsay Lohan is NOT banging rich dudes for money ... despite reports she's a highly paid escort -- so says her father.

Michael Lohan is quoted in the reports in question, saying Lindsay is "getting paid to date rich men." According to the reports, these dates last for several days and the men shower her with lavish gifts like jewelry.

One alleged client is the third in line for the throne of Brunei, who allegedly paid Lindsay $100,000 to celebrate New Year's with him in London.

But Michael insists he was misquoted -- telling TMZ, "By absolutely NO MEANS did I ever make such a statement ... EVER!"

He adds, "Sure, Lindsay and [other celebs] make personal appearances and get paid for it! Sure, she and they get paid to go to birthday parties and other occasions! But for sex? Are you kidding me? I would never say that because she would NEVER do that and it NEVER happened!"

Demi Moore & Harry Morton NOT Dating ... NOT Banging

Demi Moore and Harry Morton are definitely NOT dating ... or banging ... or boning ... or doing the deed ... despite multiple reports to the contrary.

Reports have been circulating lately that Demi found herself a post-Ashton boy toy in the form of Pink Taco head honcho (and Lindsay Lohan's ex) Harry Morton. The reports claim the two have been on several dates in the past few weeks.

But it just ain't so. According to our sources, the two are NOT together. We're told they've been friends for a long time and they did go to dinner Wednesday night in Beverly Hills, but it was in NO WAY romantic.

Our sources say the duo have a slew of mutual friends, so they see each other a lot. We're told neither party is ruling out the possibility of dating in the future -- but right now, it's strictly a platonic thing.

Case closed.

James Deen Did You Bang Lindsay Lohan?

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James Deen sounds like a man with a secret ... 'cause when we asked "The Canyons" star if he ever hooked up with his co-star Lindsay Lohan on the set of the film ... he didn't say "No."

Deen called in to "TMZ Live" on Friday to discuss Lindsay's on-set tirade directed at him ... when we asked if the argument could've stemmed from sexual tension.

After all ... it's not uncommon for a leading man to sleep with his leading lady ... especially when the leading man is a very active, very "talented" porn star.

Deen wouldn't give a definitive answer ... instead playfully tried to deflect, deflect and deflect.

So ... we gotta ask ...

Hayden Panettiere Back Together With Boxing Champ ... Maybe

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It's barely been a month since she broke up with her NFL player ex, but Hayden Panettiere's already got her hands on another man's kielbasa ... ex-BF Wladimir Klitschko ... at least that's the way it seemed at the airport today ... with her adorably girly giggle fit.

Fact: the 6'6" Ukrainian World Boxing Organization champ dropped 5'2" Hayden off at the airport today in Florida, where he lives.

Fact: When Hayden landed in L.A. she giggled like a schoolgirl when we asked her about Wlad -- insisting she and Wlad are "just good buddies."

Fact: THEY'RE OBVIOUSLY BONING AGAIN ... probably.

You'll recall, Hayden and her ex-BF Scotty McKnight -- who played for the Jets before he was cut last summer -- called it quits back in December.

BTW ... who gets off a 5 hour flight and looks that hot?

Nicki Minaj Totally, Definitely ... Maybe Dating New Guy

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Nicki Minaj has a new man, and the undeniable proof is ... missing. But we do have this video -- which is 100% partial evidence ... that she left a restaurant!! See? Totally banging a new bf.

Check out TMZ on TV -- click here to see your local listings!

Beyonce's GQ Cover Airbrushed? (Hint: We Don't Care)

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Beyonce is in the middle of a controversy so heated, so intense, so damned sexy -- it requires an extra long look at her GQ cover to sort it all out. Aaah ... journalism!

Check out TMZ on TV -- click here to see your local listings!

Lindsay Lohan Tales of Drunken, Crying Debauchery on Movie Set

Lindsay Lohan was an utter disaster on the set of the movie "The Canyons" ... this according to a writer embedded with the production, who says he saw a seemingly drunk LiLo get into her car and drive off the set after a boozing session.

The man who wrote article is Stephen Rodrick -- who says he was allowed to chronicle the project from start to finish.

According to Rodrick, Lohan was a mess who was initially fired after blowing off two days of filming. Rodrick says Lohan showed up to the director's hotel room, pounded on the door while hysterically crying and begging for her job back.

Rodrick says Lohan stayed in the hallway sobbing for 90 minutes before finally leaving.

Eventually, she was hired back to the production -- and things got worse ... with Lohan constantly criticizing producers and her co-stars.

But the most concerning part, Rodrick says Lohan had been drinking before a scene in which she would be simulating a 4-way sex scene with some real-life porn actors.

After the scene, producers offered Lindsay a hired car to drive her home ... but she refused ... and drove off in her Porsche. Rodrick says producers "all hoped they would still have a lead actress in the morning."

In the article, Rodrick says Lohan also freaked out before a sex scene in which she was supposed to get naked ... and locked herself in a closet. Rodrick says the director had to beg her to do the scene ... and eventually stripped naked himself to show her it was no big deal.

The gimmick worked -- Lohan eventually dropped her robe and shot a 14-minute sex scene.

According to the report, Lindsay once partied with Lady Gaga until 5:30 AM ... when she had a 6:00 AM call time. She eventually showed up to the set at 9 AM, but left soon after a doctor said she was too sick to film.

Gaga posted a picture of her night with Lindsay on her website last July, along with the caption, "I love to stay up late and take pictures of beautiful celebrities."

We reached out to Lindsay for comment -- but so far, no response.

Michael Lohan to Dina STOP Saying I Raped You ... Or Else

Michael Lohan is threatening ex-wife Dina Lohan -- either stop accusing him of rape, or face his legal wrath.

Michael's attorney just sent a cease-and-desist letter to Dina -- following a recent interview in which Dina claimed Michael raped her during a coke binge in 1990.

In the letter, Michael's attorney calls Dina's allegations "false, defamatory, and unlawful."

In the letter the lawyer claims Dina has been harassing Michael of late by leaving a slew of messages on his phone and on the Internet.

Michael wants Dina to shut her mouth and stop contacting him once and for all -- or he'll sue.

L.A. Mayor Villaraigosa SQUIRMS Over Charlie Sheen Encounter

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For a guy who earned the nickname Mayor Suave, Antonio Villaraigosa was anything BUT smooth when we asked him about the ongoing Charlie Sheen drama yesterday ... in fact, AV's response is downright laughable.

Villaraigosa was in L.A. for an event with philanthropist Eli Broad when we asked about Charlie Sheen's recent claim -- that he and the mayor partied together in Mexico for HOURS.

Of course, AV has been in media "spin mode" ever since a photo emerged of the two -- with Villaraigosa claiming he simply posed for a pic with Sheen during a harmless 3 minute encounter ... and nothing more.

Sheen called BS (and later apologized for calling BS, but never took back his story).

But when we asked about Sheen's claims yesterday ... the Mayor tried to change the topic in the most awkward way possible ... and then tried to mock the situation.

It's so shameless, you can't help but laugh.

Charlie Sheen L.A. Mayor LYING We Partied for Hours

Charlie Sheen is calling out L.A. Mayor Antonio Villaraigosa ... claiming he was flat-out LYING when he said he spent ONLY 3 minutes with the actor in Cabo -- Charlie says the Mayor hung with him for hours, chatting it up and drinking with a bunch of hot chicks.

Mayor Villaraigosa told NBC 4 L.A. ... his encounter with Charlie was no big deal, saying, "I had a three-minute conversation and took a picture with him, that simple.... I take a picture virtually every single day, 50 times."

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But Charlie says the Mayor is shoveling BS. Charlie tells TMZ ... the picture was actually shot in Charlie's hotel suite at Hotel El Ganzo, where Charlie had just opened his bar, Sheenz earlier in the evening.

What's more, Charlie says the Mayor hung out in the suite for WAY more than 3 minutes. Charlie says, "I memorize 95 pages a week, so the last thing that I am is memory challenged. We hung out for the better part of 2 hours, discussing his L.A. roots, his poignant bullet campaign as well as his 3 AM lawn-watering tactics."

Charlie continues, "He's a terrific guy, a great Mayor and he can drink with the best of 'em: Me. Quite a memorable night indeed."

Charlie says, there were lots of women in the suite, including at least one porn star and several other hot women.

You'll recall ... when Charlie introduced Slash and another band earlier in the evening at his bar, he hurled a homophobic remark. After TMZ got the video, we contacted Villaraigosa but he had no comment.

The Mayor's office told TMZ they would have "no further comment."

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Miley, Liam Married?

Miley Cyrus posted a pic on Instagram which shows her and Liam Hemsworth posing for an XMAS photo ... and Dax noticed something interesting ...

Check out Liam's left ring finger -- it looks suspiciously like a wedding band. The pose blocks Miley's finger.

They got engaged earlier this year but made no announcement about a wedding date.

And as long as we're talking, also take a look at another pic Miley posted, showing her in a Santa's getup. It looks like she might have 2 bands on her ring finger, one being her engagement ring.

The other?

Kris and Bruce Jenner SEPARATED!!! At the Clippers Game

Kris and Bruce Jenner are positively getting a divorce -- how could they not be when they didn't even sit together to watch Lamar Odom and the Clippers beat the Nuggets? Well, there's a really simple answer.

Check out the reports this AM ... claiming the seating arrangement is a clear splitsville signal, with Bruce sitting a row behind Kris and the rest of the Kardashian klan.

But here's the thing ... Kris and Bruce were sitting side-by-side, until Kim Kardashian and Kanye West showed up and B.J. surrendered his seat so they could sit together and retreated to the row behind them.

We're told the divorce rumors are B.S., but hey, the one pic could have been pretty compelling proof to the contrary. But sometimes when you look at just one pic ... you don't get the picture.

Jessica Simpson PREGNANT!!

Jessica Simpson just tweeted a photo of her daughter Maxwell playing in the sand in Hawaii next to the words "BIG SIS" .... which can only mean one thing -- JESSICA'S PREGNANT!!!!

Right???

The rumors have been swirling for weeks -- but Jessica has been mum about the mom situation ... until now.

This will be 32-year-old Jessica's second child with her fiance Eric Johnson -- a former NFL player.

Jessica gave birth to her first child, Maxwell Drew Johnson, back on May 1.

The big question -- how will the pregnancy affect her $4 MILLION deal with Weight Watchers?

9:18 AM PT -- Weight Watchers just posted a tweet, congratulating Jess on the news:

"Congrats to @JessicaSimpson, Eric and big-sister-to-be Maxwell! Your WW family is so thrilled for you. What an amazing year you've had!"