Miley Cyrus Sporting Giant Rock ... Engaged?

Miley Cyrus is continuing to flame the engagement rumor flames by once again sporting a very engagement-y long ring while out last night with boyfriend Liam Hemsworth at a charity event hosted by Muhammad Ali.

Miley tweeted a photo of the ring earlier this week, but made no mention of it directly, sparking people to wonder if the wild child and the "Hunger Games" star were planning on getting hitched in the near future.

So with Miley leaving the ring's significance to our imagination, we gotta ask ...

Audrina Patridge Still Not Pregnant ... Here's Proof

It seems reality stars are getting knocked up left and right these days ... Snooki, Jessica Simpson, Kristin Cavallari, etc. ... but not Audrina Patridge ... at least judging from the way she looks in her bikini.

Congratulations.

Ray J There Is NO Whitney Sex Tape

Ray J is adamant ... he is NOT secretly harboring a stash of sexually explicit photos and video, depicting him and Whitney Houston in the throes of passion -- because no such stash exists.

There have been reports ... Ray is sitting on a hoard of sex tapes and XXX photos -- holding them over the Houston family as ransom -- because he knows they're worth a pretty penny.

But Ray J's rep tells TMZ, "The despicable tabloid report released today claiming the existence of a sex tape between Ray J and Whitney Houston is not true ... There is no sex tape."

Sources extremely close to Ray J tell us the singer insists he NEVER took sexually explicit pics of Whitney ... or recorded ANY of their intimate encounters.

Beyonce's Slim Body Exactly What Conspiracy Theorists Ordered

Who killed JFK? Where's Hoffa buried? Did Beyonce really give birth? Mysteries that may never be solved! Except she totally had that baby -- though she IS oddly thin already. Hmm ...

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Beyonce The Case of the Disappearing Baby Weight

It's been ten weeks since she gave birth to little Blue Ivy, but a glowing Beyonce showed no signs of any post-baby weight in a form-fitting dress as she headed to the Greenwich Hotel in NYC for dinner with First Lady Michelle Obama on Monday.

It's almost like she never had a baby.

'The Bachelor' Ben and Courtney Ready for Some PDA?

Still trying to convince the world they are really in love, "Bachelor" Ben Flajnik and his chosen alleged soon-to-be bride Courtney Robertson actually hugged and kissed at the airport in San Francisco this weekend.

The reality TV dating competition show couple admitted they broke up after taping the finale but have since gotten back together and are engaged ... for reals ... right?

'OC Housewife' Gretchen Rossi Tamra's Engagement Is a SHAM

"Real Housewives of Orange County" star Gretchen Rossi is telling friends ... Tamra Barney's new engagement is based on a money-grubbing lie -- manufactured by show producers desperate for a dramatic finale.

Sources close to Gretchen tell TMZ, producers originally approached Gretchen's BF Slade about proposing -- hoping he'd pop the question in time for the show's big finale this year. We're told producers even attempted to bribe Slade with an exotic proposal destination ... and a FREE RING.

We're told Slade turned the offer down -- convinced the public already hated him enough without a fake proposal -- so producers turned to Tamra and her BF Eddie Judge out of spite.

We're told Tamra and Eddie instantly snatched up the proposal package -- and her whole proposal was then conveniently filmed for the show ... at the same exotic location that was allegedly offered to Slade.

Bravo had no comment.

Chris Brown’s GF I'm Scared to DEATH of Rihanna's Crazy Fans

Chris Brown’s GF is scared to leave her house without bodyguards by her side -- and she's telling friends, it's all because Rihanna's crazy fans are threatening to kill her.

In case you missed it -- there was a lot of speculation last week that Rihanna dissed Karrueche Tran on Twitter -- posting a pic of a bag of rice cakes wearing sunglasses ... with the caption, "Ima a make u my bitch."

The joke -- Karrueche's Vietnamese ... rice cakes ... etc.

But several of Rihanna's fans took the joke one step too far -- unleashing an avalanche of violent threats on Karrueche ... like "I hope Rihanna beat the dog shit outa yo ass!" ... "Watch yo back" ... and "I will kill you."

Rihanna never admitted the rice cake jab was directed at Karrueche -- but sources close to Karrueche tell TMZ, she now refuses to leave her house without Chris Brown's hired muscle by her side.

As for Karrueche's infamous BF -- we're told CB is 100% supportive of his new lady ... despite getting close with Rihanna recently ... and is urging her not to worry.

The real lesson here -- don’t date Chris Brown.

Eddie George I Was NOT Cheating On My Wife

Retired NFL superstar Eddie George is adamant ... he's JUST FRIENDS with pro golfer Rachel Connor ... despite the fact he was a passenger in her car when she was busted for DUI at 2 AM this week.

George -- who's been married to singer Tamara Johnson since 2004 -- tells TMZ ... Connor was "simply trying to be nice by offering me a ride" Wednesday morning after a golf event in Florida.

George says he "realized that Rachel lived the closest to where I was staying. So she offered to drop me off. I believed her to be competent to drive and not impaired at all."

He was wrong ... allegedly. As TMZ first reported, cops believe Connor was HAMMERED ... because she could barely walk, couldn't count and reeked of booze. George was never accused of any wrongdoing.

Tim Tebow I'm NOT Gonna Be on 'The Bachelor'

Sorry shameless fame-whorish ladies ... Tim Tebow will not be the next rich stud hunting for love on "The Bachelor."

Tim just set the record straight on Twitter ... saying, "Haha rumors can be crazy! Even though I've watched the show before, I'm definitely not gonna be on the Bachelor. #JessePalmer."

But the most shocking part -- TMZ has learned who's to blame for the rumor ... and it's "Bachelor" host Chris Harrison. Though he swears it wasn't intentional.

Chris just called in to TMZ Live to explain himself ... check it out below.

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Christina Hendricks My Phone Was HACKED ... But Those Boobs Aren't Mine!

Busy day in the world of naked photo leaks ... just hours after Olivia Munn's allegedly naked body hit the web, a set of pics has surfaced online showing what appears to be a topless Christina Hendricks ... but Hendricks' rep insists, the breasts aren't hers.

Christina's rep tells TMZ, the "Mad Men" star's phone WAS indeed hacked recently ... and multiple self-shots were stolen -- including several showing a busty Hendricks barely dressed, without make-up, presumably at home.

But the rep insists, the one topless picture -- purportedly showing the actress' bare ample bosom -- is NOT Christina. It's an impostor.

Christina's rep tells TMZ, she doesn't know who hacked her phone -- but the proper authorities have been notified and an investigation is underway.

Olivia Munn Nude Photo Is NOT Me!!!

The full-frontal nude photo circulating around the Internet today purporting to be Olivia Munn is a phony -- this according to sources extremely close to Olivia Munn.

Several pics hit the web today -- appearing to show Olivia in various states of undress ... pink lingerie, a black bra, a white bra, a pink bikini, a low-cut v-neck ... and then fully nude.

Sources tell TMZ, several of the shots are legit -- namely the black bra, the bikini, the v-neck ... all of which Olivia has previously posted on her blog or Twitter. But according to sources, the ones where you can't see her face are 100% fake ... including the nude shot.

We're told someone with a similar body to Olivia is taking provocative photos and trying to pass them off as the real thing -- why ... we have no idea.

So far, no official word from Olivia's camp.

'Jersey Shore' Star The Situation is NOT Snooki's Baby Daddy

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The Situation is definitely NOT to blame for the mini-guido baking inside of Snooki's womb ... this according to Sitch's BFF.

"The Unit" -- aka Jonny Manfre -- just called in to “Big Poppa” Gary Spears at KISS-FM in NY ... and said there is absolutely NO baby daddy controversy ... despite the fact Snooki allegedly got all smooshy with Sitch in the past.

"It's not Situation's baby ... I'll tell you that much ... I would assume it's Jionni's baby." Unit is referring to Snook's BF, Jionni Lavalle.

The MTV star adds, "Whatever happened in the past, happened in the past. If these people love each other and they're willing to get past each other's skeletons in the closet ... then great."

Snooki Why I Lied About My Pregnancy

Snooki was LYING FOR TWO when she denied pregnancy rumors earlier this month ... but sources tell TMZ the "Jersey Shore" star had a damn good reason -- she didn't want to jinx herself.

Sources close to the MTV star tell us ... Snooks WAS already pregnant when she went on Sirius/XM radio on Feb. 1st and told everyone she was OUTRAGED by the suggestion that she had preggo belly.

But we're told Snooki is taking the situation very seriously ... especially the taboo about revealing the pregnancy before the 3rd month.

Now, it seems Snooki has crossed the 3-month threshold ... and an official announcement could come any moment.

Chris Brown's Girlfriend Oh, By the Way ... We're Happy Together!

Lost in all the Chris Brown/Rihanna possible reunion madness is the fact that CB has a serious girlfriend -- and sources close to her tell TMZ the two of them are doing quite well in their relationship ... thank you very much!

Sources close to Karrueche Tran tell TMZ she is unfazed by the recent rash of RiRi rumors. In fact, we're told CB and KT are now actually living together.

As for CB showing up to Rihanna's birthday party, we're told that didn't bother Karrueche either ... because he came home to her that night and whisked her to Miami the next day to celebrate Valentine's Day.

According to our sources, Chris professes his love to Karrueche daily and he has no plans to leave her for Rihanna.

Almost makes you say, "Awwww" ... until you remember ...

Chris Brown I Would NEVER Joke About Beating Women

Chris Brown is adamant ... he does NOT hit on women by joking about hitting women.

There are reports that Brown approached a hot brunette chick at the Lasio Professional Hair Care suite Grammy gift lounge on Feb. 10 and dropped the line, "Can I get your number? I promise I won't beat you."

Now, Brown has released a statement to TMZ ... saying, "That is absurd and absolutely not true. I did not say that nor would I joke about that."