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.

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.

EXCLUSIVE: Randy & Evi Quaid In Jail  —  Randy and Evi Quaid finally decided to show up to court on Monday, and when they did they were thrown in jail, RadarOnline.com learned exclusively.  —  We spoke to Santa Barbara District Attorney Arnie Tolks who told us that the Quaids arrived …

Lindsay's Dad Moves on Conservatorship  —  Michael Lohan tells TMZ he's on his way to his lawyer's office to start the Lindsay Lohan conservatorship ball rolling.  —  As we reported this weekend, Michael was giving Lindsay an ultimatum — either meet with him today or he's going to court.

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.

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 …

Money Can't Buy You Talent Either  —  Because Kim Zolciak's “Tardy for the Party” was such a worldwide mega hit of epic proportions, other Real Housewives think they have what it takes (aka zero dignity) to release their own dance singles.  Here's The Real Housewives of NYC's …

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:

‘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

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.

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.

Jesse James' Barren Ring Finger  —  Jesse James wasn't wearing his wedding ring this morning — yet another sign his marriage to Sandra Bullock is shaky.  —  James and his ring-less finger were spotted as he was dropping his kids off at school in Long Beach.  —  James typically wore the ring ... as recently as a month ago.

‘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.