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Former "American Idol" contestant Brittany Kerr has shut down her Twitter page ... after a gang of angry Jason Aldean fans BLASTED the singer online -- calling her everything from a "skank" to a "homewrecking whore."

The cyber-hate came flooding in after TMZ posted the pics of Aldean -- a huge country singer who happens to be MARRIED -- putting the moves on Kerr at a crowded bar on the Sunset Strip.

Sources connected to Kerr tell us ... she had NO IDEA Aldean was married ... and if she would have known, she would have shut the whole thing down from the start.

Even though Kerr didn't go home with Aldean, people attacked her online ... writing terrible things on her Facebook page including:

"Disgusting homewrecking tramp!"

"what is wrong with you taking advantage of a married man while he was drinking."

For the record, people have ripped Aldean on his Facebook page too. He has since apologized, chalking the whole thing up to a bad drunken decision.

Paul Nassif got to spend Saturday with his three sons ... taking them out for pizza in Bev Hills.

As TMZ first reported, a judge granted Nassif the visit Wednesday after he showed up in court armed with a report from the Department of Children and Family Services saying there was no proof he abused the kids -- despite allegations from his estranged wife, Adrienne Maloof.

The judge ordered a court-appointed monitor be present during the visit ... and we're guessing he's the conspicuous guy with the bag.

Martin Kristen took off his bodyguard cap yesterday and donned his boyfriend one ... cheering alongside GF Heidi Klum at her son's football game in Brentwood yesterday.

Paris Hilton gave a subtle apology to the gay community yesterday in Hawaii by sporting a bag adorned with a rainbow flag on it while waiting for her flight back to Los Angeles.

Paris issued a mea culpa last week after a recording was released in which Paris could be heard saying gay men are "disgusting" and that "most of them probably have AIDS."

Mario Lopez's 2-week wife Ali Landry is an expert on her knees, easily keeping her balance during a smoking hot paddle boarding session in Hawaii earlier today.

In case you forgot, Mario and Ali were married on April 24th, 2004. Their marriage was annulled two weeks later.

With Arnold Schwarzenegger's tell-all autobiography about to come out, it seems only fitting that his all growed-up love child Joseph Baena and his baby mama/former maid Mildred Baena would be spotted out in Bakersfield, CA on Thursday.

As we reported earlier, Arnold says his affair with Mildred was the "stupidest thing" he did during his marriage to Maria Shriver and revealed he has not shown her the book yet either.

Fun fact: Schwarzenegger's book comes out on Monday ... the day before Joseph's 15th birthday.

She got caught cheating on Robert Pattinson, but philandering girlfriend Kristen Stewart may have been trying to send some sorta mixed message by hitting up a restaurant in Paris on Thursday named La Fidelite ... which in English -- believe it or not -- means "fidelity."

Kristen can't take back what she did, but she can try and eat her words.

Mel Gibson suffered a wardrobe malfunction and accidentally flashed one of his supple man boobs while out walking around Malibu on Wednesday.

She's no stranger to weird get-ups, but "Tik Tok" singer Ke$ha took it up a sexy notch by wearing some sorta revealing leather one-legged bathing suit type thing on the set of her "Die Young" music video in L.A. on Wednesday.

Today is Lil Wayne's 30th birthday ... and he's celebrating by taking down Elvis Presley.

Weezy showed off his lean, buff, tatted up chest by going shirtless at the opening of a skatepark he helped launch in New Orleans on Wednesday.

And how's this for a birthday gift, Wayne just made music history by surpassing Elvis as the male artist with the most hits on the Billboard Hot 100 chart -- Weezy has 109 songs over The King's 108.

Nicole Scherzinger insists ... she did not swap spit with Chris Brown last night inside a Hollywood nightclub -- telling TMZ, the two were simply talking ... very closely.

In case you haven't already seen the photos -- they show Chris and Nicole inside Supperclub last night getting very close to each other. According to reports, the two were even making out ... and some people think the above photo is proof.

But a rep for the ex-Pussycat Doll tells us, "There is absolutely no truth to the ridiculous story ... The photos that have surfaced are old friends who were trying to talk at a very loud club."

The rep adds, "I guarantee there will be no photos of them kissing."

Liberty Ross looked hot and forgiving Tuesday night ... as she was spotted wearing her wedding ring for the first time since her philandering husband Rupert Sanders was caught cheating with Kristen Stewart.

Liberty was wearing leather pants and her giant diamond ring outside the Chateau Marmont.

Rupert -- who we're told has been "desperate" to save the marriage -- has been seen wearing his ring in the past, but until now Liberty's gone sans her commitment bling in public.

Perhaps all is forgiven.

12:40 PM PT -- Additional photos have just surfaced ... showing Liberty's new ring is actually on her middle finger. NOT her ring finger. Ergo, it's not a wedding ring after all.

Fiona Apple has had a really rough week ... and it shows.

As we first reported, the 35-year-old singer was busted for weed and hash possession in Texas last week, then landed herself in a feud with the arresting officers, blasting 4 of the cops at a concert this weekend for allegedly mistreating her during the arrest.

One officer at the Hudspeth County Sheriff's Dept. responded to the attack, telling Apple to "just shut up and sing."

But it all appears to be taking a toll -- because the 35-year-old "Criminal" singer was spotted heading to her House of Blues concert in New Orleans last night looking gaunt and rail thin.

Touring can be brutal.

Rockin' a sexy one piece suit that perfectly accentuated her gorgeous girls and tightly cinched her waist in ways no mere mortal could withstand, Kim cloaked her beloved booty with a long white shirt thing as she and big sis Kourtney enjoyed a walk on the beach.

Justin Timberlake refused to make a complete ass out of himself during his bachelor party weekend in Cabo San Lucas this weekend ... only going "partial crack" while his pals flashed some full moons at the paparazzi.

Prior to flashing their lily-white booties, JT and the gang started the bachelor festivities in Las Vegas on Thursday before continuing the party train south of the border.

Lindsay Lohan did herself -- and everyone in the Tri-State area -- a favor last night by not driving ... instead hopping in the passenger seat of an SUV as someone else drove around the streets of New York.