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11:30 AM PST -- Clooney just bailed out ... for $100.

8:45 AM PST -- Clooney and his dad were arrested for crossing a police line ... which is a misdemeanor offense.

Father and son were arrested by the uniformed division of the U.S. Secret Service ... but he's currently being booked into a D.C. police station.

George Clooney and his father Nick have been arrested in Washington, D.C. during a protest over the Sudan crisis.

Clooney was leading a protest in front of the Sudanese embassy in D.C. when he was hauled away by secret service agents.

Clooney's publicist Stan Rosenfield tells TMZ, "They were protesting the violence committed by the government of Sudan on its own innocent men, women and children. They were demanding they allow humanitarian aid into the country before it becomes the largest humanitarian crisis in the world."

Sources connected with George tell us he feels good about the arrest because it puts the spotlight on the crisis. Moments before the arrest, George was mobbed by reporters (below) -- claiming, he was protesting to raise awareness about the "Sudanese government committing atrocities on their own people."

We're told a dozen people got arrested including congressmen, leaders of the human rights community, Sudanese citizens, Martin Luther King III and George's father ... Nick Clooney.

Clooney recently shot a short documentary about the situation in Sudan, which he released on EnoughProject.org. WARNING -- Video contains VERY graphic content.

4:30 PM PT: The crew was assembled for a meeting where they were just told the show is cancelled. They are pissed because production was supposed to last another 8 months and they were just told they will not be getting any severance.

4:20 PM PT: We've just spoken with on-set sources, who tell us the crew has not been told their show was cancelled. They're learning it from TMZ.

HBO has cancelled "Luck" after the latest horse death.

As TMZ reported, yesterday a third horse died during production of the show, and HBO just made the drastic decision to lower the boom.

HBO released a statement that reads in part, "While we maintained the highest safety standards possible, accidents unfortunately happen and it is impossible to guarantee they won't in the future."

There has been another fatal horse accident on the set of the HBO series "Luck" -- a third horse has died, TMZ has learned.

We're told the crew was trying to get a horse out of its stable when it reared and fell back, suffering a head injury. The horse was euthanized at the Santa Anita Race Track in Arcadia.

This is the third time a horse had to be euthanized during the filming of the series, starring Dustin Hoffman.

Donald Trump's two sons went on a big game hunt in Africa, and the carnage they wrought has triggered outrage by wildlife enthusiasts.

Donald's sons -- Donald Jr. and Eric -- went on a hunting safari in Zimbabwe a year ago this month, and proudly showed off their trophy kills -- including an elephant, crocodile, kudu, civet cat and water buck.

In one shot, Donald Jr. is holding a dead elephant's tail in one hand and a knife which appears to have cut off the tail in another.

A wildlife enthusiast's website has just created a YouTube video of the slaughter expressing outrage.

As for Donald Trump, he tells TMZ, "My sons love hunting. They're hunters and they've become good at it. I am not a believer in hunting and I'm surprised they like it."

Trump added, "I know that anything they did was 100% OK in terms of the hunting community."

Taking Back Sunday singer Adam Lazzara is lucky to be alive -- after a tree literally FELL on top of him this weekend ... shattering his leg.

A rep for the band tells TMZ, Adam was at a recording studio in rural Michigan Saturday ... and he decided to step outside for a cigarette. It was real windy, and we're told a tree collapsed on the singer out of nowhere, trapping him underneath.

The rest of the band ran outside when they heard his calls for help -- but couldn't lift the tree off him ... so they called 911, and the local fire department came and sawed the tree to pieces (below).

Once freed, we're told Adam was rushed to the hospital -- where doctors put a cast on his broken leg. According to the rep, Adam's expected to be in the cast for the next 4-6 weeks.

"16 and Pregnant" star Whitney Purvis was arrested in Georgia yesterday ... after cops say she shoplifted a pregnancy test from a local Walmart ... and used it in the store.

According to the police report, the 20-year-old MTV star stashed a First Response pregnancy test in a hooded jacket ... and then "took it to the restroom with her and used one."

Purvis allegedly tried to sneak out of the store through a side door ... but she was busted by store security ... who put her under citizens arrest and called local police.

According to the report, the pregnancy test was valued at $15.98.

Purvis was hauled to a nearby police station where she was booked for misdemeanor theft by shoplifting.

More signs Arnold Schwarzenegger and Maria Shriver are reconciling -- they went furniture shopping together yesterday ... FURNITURE SHOPPING!!!

The former couple hit up The Ivy in Santa Monica for a lunch date Tuesday ... and after the meal, they walked over to a nearby furniture store and checked out some of the goods.

Arnold's probably a couch expert by now ... considering he probably slept on one for a while after Maria found out he had a love child with the former maid.

As TMZ previously reported, Maria has been extremely conflicted about going through with the divorce because of her strong religious beliefs ... and we're told she's flip-flopped on the whole divorce thing many times.

One thing is for sure, Maria is the one in the driver's seat.

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.

Marc Cherry is not Nicollette Sheridan's only adversary in her trial -- her former co-stars are poised to destroy her case, because they're all set to testify for the defense.

TMZ has obtained the witness list in Nicollette's trial. Among those who will be called on behalf of Cherry -- Eva Longoria, Felicity Huffman, James Denton, Marcia Cross and Neal McDonough.

The women on the show will all testify -- they never saw Marc strike Nicollette, as she alleges, nor did they witness any retaliation after she complained to ABC honchos.

According to the witness list, Nicollette wants to grill Marc for 8 hours.

Chris Brown has been accused of angrily snatching some girl's iPhone outside a nightclub in Miami this weekend ... and driving off with it -- law enforcement tells TMZ.

A rep for the Miami Beach PD tells TMZ, 24-year-old Christal Spann filed a police report Sunday (below) for "robbery by sudden snatching" -- claiming she followed Chris and rapper Tyga out of Cameo nightclub early in the morning (see photo above) ... and snapped a picture of Chris getting into his Bentley.

Christal told cops ... Chris flipped out when he saw her camera phone-- then grabbed it through the car window, saying, "Bitch, you ain't going to put that on no website."

According to the police report, Chris then rolled up his window and drove off -- $500 iPhone in hand.

A rep for the Miami Beach PD tells us, no arrests have been made and no warrant has been issued yet. We're told the incident is currently under investigation.

BTW, Chris is still on probation for the Rihanna beating and if he's arrested he could be thrown in jail on a probation violation.

In an unwise financial move, the wine shop next to Snooki's new Jersey City home wants nothing to do with the little booze guzzlin' blast in a glass ... and even posted a sign on the door to keep her the hell out.

We're told Jwoww ain't welcome in the store either, so the ladies will have to schlepp their bronzed behinds a little further than next door when they want to binge drink for the cameras of their new reality show.

TMZ spoke to the GM at the wine shop ... who tells us, "Even if Jwoww shows up at our front door she will not be let in."

Lindsay Lohan ain't no slacker -- TMZ has learned, the actress is studying up hardcore for her new movie role ... doing everything she can to accurately portray a young Elizabeth Taylor.

In case you haven't heard -- Lindsay just inked a deal with Lifetime to play Liz Taylor in the network's new made-for-TV biopic called "Liz and Dick." Production is scheduled to kick off late March, after Lindsay's probation is terminated.

Lindsay is telling friends, she's taking her new gig extremely seriously -- "obsessing over getting the part right" for the film.

According to sources, Lindsay is doing nothing but watching old Liz Taylor movies to help her recreate the Hollywood icon's posture, speech, and every other little detail.

We're told Lindsay has also been watching old Liz interviews online and reading a bunch of Liz biographies.

Two women who were sued because they blasted their ex on liarscheatersrus.com -- calling him "scum" -- have been vindicated by a judge.

The court threw out the case filed by Matthew Couloute, a New York lawyer, who claimed Amanda Ryncarz and Stacey Blitsch -- a former roller derby star -- ruined his career by calling him various names on the website, including a "liar" and a "cheater."

But a federal district judge ruled the statements were just opinion -- and no one would mistake them as fact. The judge also said Matthew couldn't point to a single business relationship of his that was harmed by the 2 chicks.

Gloria and the girls held one of Gloria's patented press conferences ... where we asked Amanda and Stacey if they thought the whole ordeal would have a negative impact on their dating lives.

Bobby Brown was asked to leave Whitney Houston's funeral today ... after he got into an argument with Whitney's family over whether or not he could bring nine people into the church with him ... TMZ has learned.

Brown was spotted going into the church today in Newark, NJ ... but was seen leaving shortly thereafter.

According to our sources, Brown was invited, plus two, but instead showed up with an entourage of nine people. We're told Bobby became upset when he found out they would not seat his whole party.

Our sources say Bobby wanted to sit with his daughter, Bobbi Kristina, but Whitney's family was not having it.

We're told Rev. Jesse Jackson tried to smooth things over ... but to no avail.

Rev. Al Sharpton spoke of the incident with Bobby as he left the church, saying, "He showed nothing but love and respect for Whitney. I wish people would leave Bobby alone" (see video below).

Brown issued a statement later on, saying, "My children and I were invited to the funeral of my ex-wife Whitney Houston. We were seated by security and then subsequently asked to move on three separate occasions."

He continued, "I fail to understand why security treated my family this way and continue to ask us and no one else to move. Security then prevented me from attempting to see my daughter Bobbi-Kristina. In light of the events, I gave a kiss to the casket of my ex-wife and departed as I refused to create a scene."

Chris Brown was so paranoid about keeping his attendance at Rihanna's birthday party a big fat secret -- he actually tried to FORCE partygoers to sign confidentiality agreements ... TMZ has learned.

Sources tell us, Chris refused to enter the private party Monday night at the famous Hearst Mansion in Beverly Hills until everyone signed an NDA -- sending his henchmen in beforehand to gather every partygoer's signature.

We're told although they didn't get EVERYONE to sign -- Chris eventually walked in ... and spent a huge chunk of the night nuzzling up against Rihanna.

According to sources, the two got real intimate -- sitting next to each other, talking, and holding hands ... all perfectly legal ever since the restraining order was lifted.

As for the rest of the party -- we're told it was jam-packed with celebs including Katy Perry, Bruno Mars, and Chris Martin (no Gwyneth).

Rihanna's cake was pretty badass too -- a giant spliff ... with a small Rihanna made out of icing, riding it like a horse.

Eat your heart out, Miley.

Chris' rep tells TMZ, confidentiality agreements were distributed only to workers at the party and anyone who was caught videotaping/snapping a pic of CB.

Bobby Brown is "extremely disappointed" after hearing that several members of Whitney Houston's family do not want him to attend the singer's funeral ... sources tell TMZ.

Sources close to Bobby tell us ... people connected to the Houston family have reached out to Bobby to warn him that he shouldn't attempt to attend the funeral because the family isn't fond of him.

However ... we're told Bobby has not received any OFFICIAL word from the family about his invite status.

Sources tell us ... Bobby WANTS to attend the funeral so he can support his daughter Bobbi Kristina, but he hasn't decided on a plan of action yet.