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"Dancing with the Stars" star Cheryl Burke looks dramatically different these days ... but she says she's NOT deathly ill ... hasn't had plastic surgery ... and she's pissed at all the trash talk.

Burke -- who recently dropped a sizable amount of weight -- posted this pic on Facebook ... and got bombarded with comments from people saying she looks anorexic. Someone even suggested she's dying of AIDS.

One person wrote, "Those Botox lips need there [sic] own FB page, gross" ... and another said she should delete the pic before it ends up on TMZ.

Burke is especially upset because she believes the same people who are trash-talking her now are the ones who called her fat before.

Burke -- who was once a regular on the club/party circuit -- tells TMZ there's absolutely nothing wrong with her ... she recently turned 30 and decided to stop drinking and hard partying. She says she's living healthy ... and that what you see is the result of hard work.

Burke tells us, "I didn't have plastic surgery and I don't have an eating disorder. I'm just actually happy."

The "Kill Kendall Jones" Facebook page has been mysteriously taken down.

TMZ broke the story this morning ... Kendall's dad Cody went on the attack against Facebook because the site refused to remove the threatening page, saying it did not rise to the level of genuine risk or physical harm.

Cody disagreed, noting the page showed animals similar to the ones Kendall killed during her hunts but in reverse ... the prey were the victors, standing over the body of the hunter.

Facebook has not given a reason for the take down ... at least so far.

Story developing

The people at Facebook are heartless hypocrites ... censoring hunter/cheerleader Kendall Jones from posting the carcasses of the animals she's killed, but allowing others to post pics advocating Kendall's murder ... so complains Kendall's father.

Cody Jones says he contacted Facebook ... demanding they take down the "Kill Kendall Jones" page. Cody says FB told him to pound sand, because it didn't violate company standards.

The "Kill Kendall" page is a takeoff of Kendall's earlier postings ... where she proudly displayed her kills. The KK page turns the tables ... with the animals standing over a dead hunter.

Facebook tells TMZ, "We remove content and may escalate to law enforcement when we perceive a genuine risk of physical harm, or a direct threat to public safety."

Pam Anderson is pulling the plug on her marriage to Rick Salomon ... TMZ has learned.

This will be Pam's second split from Salomon, whom she married in 2007 and stayed with all of 2 months. She got the marriage annulled. She was also married to Tommy Lee and Kid Rock.

Pam went public in January, saying she married Salomon again.

Interesting timing ... Salomon, a world-class poker player, won $2.8 million in the World Series of Poker Big One for One Drop last Tuesday. Pam filed on Thursday, so under the community property laws she gets half by the skin of her teeth ... unless there's a prenup.

In case you don't recognize Salomon, he's the one who co-starred with Paris Hilton in the famous sex tape, "One Night in Paris."

2:00 PM PDT -- Pam's not publicly known for being religious (more like the total opposite) ... but she just posted this message on Facebook. It appears to be a prayer from Rev. Maryum Morse from the Agape Center.

Here's the insanely rich WhatsApp co-founder Jan Koum posing with his gorgeous girlfriend in Spain earlier this week (left)... and the Facebook baller who purchased the app from him -- Mark Zuckerberg with his beautiful wife (right).

The billion dollar question is...

This is WhatsApp co-founder Jan Koum in Spain with his girlfriend ... celebrating Facebook's $19 BILLION purchase of his company, and his 38th birthday.

WhatsApp has been down all day and RedFoo isn't laughing his ass off one bit ... in fact, the singer says it's totally messing with his business -- so he's taking his patronage elsewhere.

The popular messaging app has been down for a few hours -- just days after being sold to Facebook for 19 BILLION FREAKING DOLLARS -- and RedFoo was pretty pissed about the whole thing.

The LMFAO singer says his girlfriend is also mad ... 'cause he's been MIA without WhatsApp.

Diddy and his entourage rang up a $200 tab at a NYC bar during the Super Bowl ... then STIFFED their waitress on the tip ... according to the bar which is now publicly shaming the multi-millionaire.

Employees say on Sunday Sean Combs and his friends were at The Bar located in the Dream Hotel ... and when the bar manager asked Diddy if he was receiving good service ... Diddy said everything was A-ok.

But when it came time to pay ... staffers say Diddy left a giant goose egg for gratuity.

Now The Bar is calling him out ... ridiculing him on its Facebook page -- "Although [Diddy's] Net worth is in the millions, he felt it necessary to stiff a hard working young girl for $40 bucks. What a gentleman....!!!"

Vin Diesel felt the urge to dance ... by himself ... to a Katy Perry song ... and thankfully, he recorded the entire session on video to share with the world.

Diesel took a break in the middle of rockin' out to explain why he felt like dancing -- "Universal just called me and told me "Riddick" is number one on the DVD charts."

Vin says he's especially stoked because it was such a challenge to get the movie made in the first place -- so to celebrate, he cranked some KP (and later Beyonce) and let himself go.

The 33-couple wedding during Macklemore and Ryan Lewis' performance at the Grammys was the feel good moment of the night ... except for one man -- who did everything he could to stop the love of his life from tying the knot.

Michael Politz tells TMZ ... he learned Sunday his ex-girlfriend Tammy (pictured below last night) would be saying "I Do" to her new dude during the "Same Love" performance ... and went into a panic trying to shut it down.

Michael says he called everyone under the sun who might be attending the awards ... so they could tell Tammy how he felt -- including Vince Neil -- but none could make it happen.

"I'm heartbroken" Michael says. Adding, "I don't know if I'll ever trust again."

Newlywed Tammy Grabel tells TMZ ... "Michael is a broken hearted ex-boyfriend. Seth and I are very happy to be married ... I had no idea Michael was trying to stop our wedding."

Guessing he assumed it would end like this.

Honey Boo Boo is mysteriously bailing on public appearances ... and we know the reason -- a smashed Pumpkin.

Boo Boo was a no-show this morning on "GMA" and we're told she won't show up at Katie Couric's show either.

Turns out the kid's family ties are more important than mugging for a camera. She's been spending time in the hospital with big sis Pumpkin, who was badly hurt in the family car accident last week. Pumpkin suffered severe chest bruises, a concussion and weakness in her legs.

She can be annoying, but she's a good sister.

"Burn Notice" star Seth Peterson proudly plastered his new 22-year-old girlfriend all over the Internet -- which normally would be fine ... except he's still got a wife ... who's about to give birth.

TMZ broke the story ... Peterson's wife Kylee Cochran just filed for divorce, claiming her 43-year-old husband bailed on their 12-year marriage in September (when she was just 3 months pregnant with their 3rd kid) to shack up with Miranda Doerfler, a 22-year-old aspiring writer.

Miranda has since posted photos of herself with Peterson all over Facebook, writing captions like, "Okay. Officially. Seth Peterson and I are a couple."

One of Miranda's friends commented, "I thought he was married." And Miranda responded, "Lol, yeah" ... meaning, he WAS. Rhymes with witch.

Will Smith has finally opened up about the death of his TV dad James Avery ... saying the guy who played Uncle Phil on "Fresh Prince" made him a more "respectable human being."

Smith just posted a tribute to his co-star on Facebook ... writing, "Some of my greatest lessons in Acting, Living and being a respectable human being came through James Avery."

He added, "Every young man needs an Uncle Phil. Rest in Peace."

Smith also included a photo with Avery and other "Prince" cast members taken the last time they all got together.

We broke the story ... Avery died Dec. 31 after experiencing complications from open heart surgery. He was 68.

Robin Roberts just officially came out of the closet ... telling the world she's gay and has a longtime girlfriend.

Robin just recounted her triumphs over the last year on her Facebook page ... talking about her battle with cancer and how she overcame the odds and regained her health.

In the middle of her Facebook essay she said, "I am grateful for my entire family, my long time girlfriend, Amber, and friends as we prepare to celebrate a glorious new year together."

It's kind of cool the way she did it, she didn't scream it from the mountain tops ... but she revealed her true self in an authentic way.

Good for Robin.

Barron Hilton has launched a full-frontal attack on the guy who beat him to a pulp in Miami last week ... and one thing's clear -- his 7th grade English teacher is hanging from the light fixture in her bathroom.

Barron posted his version of events on his Facebook page, scoffing at allegations he threw his famous last name around. Barron says, "This is as ludicrous, and almost as embarrassing as being publicly associated to (SIC -- sorry Barron, it's with) Lindsay Lohan."

Barron does admit, "I am guilty of being at the wrong place at the wrong time, nobody should ever put their hands on someone else." (Blatant run-on)

He continues by attacking puncher Ray Lemoine, "Lemoine sucker punched me, ran away, and used his blog to conjure up an image of himself as a hero by publishing lies." Suggestion -- period after hero -- confusing.

Barron says he wrote what he wrote because he was compelled to "articulate the truth."

Paul Walker's daughter does NOT have a public social media page ... and his reps have already shut down one site run by an impostor.

Multiple news outlets posted stories Sunday morning saying Paul's 15-year-old Meadow Walker -- pictured above with her dad back in June -- paid tribute the actor on her Facebook page after the crash ... only problem, it's run by a fake.