Welcome to the Cancellation, O.C.  —  From the "How to Ruin a Hit Series in Less Than Four Years" Department comes the news that Seth and Ryan have been sent to live in that Big Pool House In The Sky.  That's right.  The O.C. has gone the way of Surfer Johnny due to falling ratings.

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 …

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.

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 …

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!

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.

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 …

WHOSE BOOB ESCAPE?  —  You know how it is.  —  That skimpy swimsuit looked great in the changing room, but it's another matter when it comes into contact with a wave.  —  Did this lady give her new two-piece a proper pre-holiday road test?  —  It appears not.  —  Tsk tsk Penelope Cruz.

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.

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.

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.