Tito Ortiz Arrested for Domestic Violence  —  TMZ has learned Tito Ortiz was just arrested for felony domestic violence at the home he shares with Jenna Jameson.  —  We're told when cops arrived at the couple's home in Huntington Beach, CA — Jenna Jameson had “visible injuries.”

Trump: Bret Michaels in ‘Big, Big Trouble’  —  Donald Trump tells TMZ Bret Michaels is in “big, big trouble and the prognosis is not great.”  —  Michaels is a contestant on this season's “Celebrity Apprentice” and, ironically, Trump says Michaels' scrappiness is the best thing he has going for him.

Lindsay Lohan tosses glass at Samantha Ronson  —  Troubled Lindsay Lohan has been banned from hot LA club Trousdale after throwing a glass at ex Samantha Ronson's head.  Witnesses tell us that Ronson was sitting with friends when Lohan stormed up and suddenly threw her drink — including the glass — at her on Friday night.

Whitney Houston's voice fails her in sold-out London concert  —  By Traci Watson, Special for USA TODAY  —  LONDON — Hundreds in the audience walked out of Whitney Houston's comeback concert here Sunday as the singer once dubbed “The Voice” missed high notes, cut short her songs and apologized for her shortcomings.

Dina Lohan: Lindsay, Ali Getting “Restraining Orders” Against Michael  —  Lindsay and Ali Lohan are going to court to keep their father, Michael, away from them following his recent attempt to stage an intervention, Dina Lohan tells Us.  —  “We will be getting restraining orders... It will happen imminently,” Dina says.

Jesse's Mistress to Sandra: So Sorry  —  TMZ has obtained a letter that Melissa Smith — Jesse James mistress #2 — faxed to Sandra Bullock's agent on Sunday, apologizing for her alleged affair with Jesse ... and it's pretty audacious.  —  Smith wrote to Sandra, “I felt I needed to reach …

Snooki Gets Into Another Bar Fight  —  It looks like Snooki is going for round two.  The Jersey Shore star, who was punched in the face on the controversial first season of the MTV reality show, was kicked out of a bar in South Beach this weekend after getting into a fight with another customer.

‘Kick-Ass’ star, 19, engaged to 43-year-old  —  She's already a mom of two, and is expecting a baby with teen actor  —  Sam Taylor Wood, left, and Aaron Johnson arrive at the premiere of “Kick-Ass” in Los Angeles on April 13.  —  Movie trailer  —  ‘Kick-Ass’: April 16

Lady Gaga: The Grandmother of Pop  —  As her old friend chronicles in this never-before-told tale of her rise, the biggest pop star in the world didn't ask anyone to like her.  She told them to.  And she has plenty more to say.  —  Dressed as a piece of celebrity pop art at a launch party and AIDS benefit in London in March.

Michael Douglas was seduced at sixteen by two of his mother's friends, who were both 30 at the time  —  The actor recently told Elle magazine that he was seduced by two of his mother's friends when he was 16/  —  He may not have starred in “The Graduate,” but at 16 Michael Douglas met a real-life Mrs. Robinson — two, in fact.

Marc Jacobs and Lorenzo Martone split  —  Fashion world power couple Marc Jacobs and Lorenzo Martone have split — for now.  “They've both been telling people that they broke up,” friends said.  Martone shot down rumors this month that he'd moved out of the Chelsea Merchantile apartment …

Carey Mulligan set to become Girl with the Dragon Tattoo  —  FOR Carey Mulligan, who sprang to fame last year in the hit British film, An Education, Hollywood has come knocking.  She is set to play Lisbeth Salander, punk heroine of the bestselling thriller The Girl With the Dragon Tattoo.

Kristin Cavallari: 'I'm Definitely Not a Bitch'  —  Has the bad girl from The Hills turned good?  —  Kristin Cavallari, known for her unvarnished opinions on the MTV reality show, says she's a better person than she's portrayed on the show — and that the real Kristin is the one who's been doing charity work recently.

The Truth About Cocaine Vaginas  —  In her memoir out this week, actress Pam Grier says she and Richard Pryor broke up in part because his cocaine use had led to a dangerous buildup of the drug in her vagina.  Is that even possible?  —  Here's how Grier recounts the conversation with her doctor:

‘I Will Kill You With My Bare Hands,’ and Other Fun Tales of Russell Crowe  —  Russell Crowe is set to capture America's heart all over again when Robin Hood hits theaters in two weeks.  But let us not forget: Russell Crowe is crazy.  Some exclusive excerpts from a new book remind us just how crazy.