Tyrese Allegedly Punches Pregnant Girlfriend  —  TMZ has learned that police are conducting a criminal investigation into allegations that R & B singer Tyrese punched his pregnant girlfriend twice early this morning.  —  Initial reports indicated that Tyrese allegedly hit the woman in the stomach …

The O.C., RIP  —  RECOMMENDED (1)  —  Apparently when the bell tolled for Marissa Cooper, it also spelled curtains for the entire O.C.  —  After ordering up an abbreviated season of what was once TV's hottest prime-time teen drama (Beverly Hills, 90210 with even more beach time, if you will) …

Irwin's wife gets video of his death  —  SYDNEY, Australia - Authorities gave the video of "Crocodile Hunter" Steve Irwin's fatal encounter with a stingray to his family and destroyed all copies to prevent the grisly footage from being made public, an Australian state coroner said Thursday.

Paris Hilton 'Fired' By Namesake Nightclub  —  It seemed like a perfect match: Paris Hilton and a pair of nightclubs.  —  But the two Florida establishments named after the heiress will no longer be associated with her, their owner, Fred Khalilian, tells the Associated Press.

Brad Pitt Filming in the Caribbean  —  Brad Pitt (dressed in a Lacoste polo) and Cate Blanchett were spotted filming scenes earlier today in the Caribbean for their new film, The Curious Case of Benjamin Button.  Thank goodness Brad's character ages backwards because all that baldness and that fat suit did not suit him.

Lost's Emilie de Ravin, Husband Split  —  Emilie de Ravin, who plays Claire Littleton on ABC's Lost, has separated from her husband after only six months of marriage, her publicist, Jeff Raymond, tells the Associated Press.  —  The Australian actress and actor Josh Janowicz, both 25, were married in Melbourne in June of last year.

Leonardo DiCaprio Scores Two SAG Nominations  —  Leonardo DiCaprio could be a double winner at this year's Screen Actors Guild Awards: His peers have nominated him as best leading actor in Blood Diamond and best supporting actor for The Departed, it was announced Thursday.

Celebrity Patents  —  Last month, Google introduced its new Patent Search feature (in beta), allowing users to dig through 7 million US patents from 1790 to mid-1996.  On-line patent searching has already been possible through the US Patent and Trademark Office website …

Lisa Ling Engaged to Chicago Oncologist  —  Oprah Winfrey Show and National Geographic Channel correspondent Lisa Ling is engaged to Chicago-based doctor Paul Song, her rep tells PEOPLE.  —  Song, 41, an oncologist who works at Chicago's Little Company of Mary Hospital …

Ashlee Simpson Bikini Pictures  —  Yesterday, we saw Ashlee Simpson have a nipple slip while she was swimming in the ocean and today I thought it be nice to follow it up with some new bikini shots.  Granted they're not the best quality (which is rare here) but don't worry, I'll try to have high-res versions up ASAP.

Apologize, Britney  —  Has Britney Spears jumped the shark?  —  Spears' negative publicity has hit a new nadir as fans start to lose patience.  —  This month, the singer's largest unofficial fan site, World of Britney, will close down.  Last week, students nationwide voted Spears the most ill-mannered celebrity of 2006.

X17 XCLUSIVE: New Year, Same Routine For Britney  —  Nobody's seen Britney since she hit the floor at Pure on New Year's Eve - until now!  Check out our XCLUSIVE pictures and video of Britney leaving Dolce after dinner last night and then making an appearance at Les Deux - she was out until 2:30 AM!

Jennifer Lopez Says She Wants Children, 'Of Course'  —  With her music, film and fashion empires, Jennifer Lopez tops PEOPLE en Español's "100 Most Influential Hispanics" list - but she still wants one thing: kids.  —  "I come from a strong family, so of course I want to have one," Lopez, 37, tells the magazine.

NOVELIST HAS 'BLUES' OVER FILM  —  REAL estate czar-turned-movie producer Bob Yari has been having a rough year.  —  Yari has dropped the screen adaptation of Elmore Leonard's acclaimed crime caper "Tishomingo Blues," which was to have been the long-awaited directorial debut of Oscar-nominated actor Don Cheadle.

`Alpha Dog' film faces off-screen drama  —  LOS ANGELES - On the big screen, "Alpha Dog" focuses on the kidnapping and murder of a Southern California teen that were inspired by actual events.  —  Off-screen, the movie is creating some drama of its own.  —  Not only is the film facing …

Paris Hilton likes monkeying around  —  Plus: DiCaprio takes dip with the dolphins in Vegas  —  Paris Hilton has found a replacement for men: her pet monkey.  —  The partying heiress — who recently declared a moratorium from dating guys — says that her new in-bed companion is her baby monkey, Brigitte Bardot.

Megan Mullally's new talk show canceled  —  LOS ANGELES - Karen Walker would have a few choice words about this: Megan Mullally's syndicated talk-variety show is finished after less than five months.  —  The low-rated "The Megan Mullally Show" has been canceled and production has been halted …