Ryan O'Neal Arrested  —  TMZ has obtained thed mugshot of actor Ryan O'Neal, who was arrested Saturday morning at his Malibu home and booked on charges of assault with a deadly weapon and negligent discharge of a firearm after a fight with his son, Griffin.  He was released after posting $50,000 bail.

Britney Spears: Being Single Is 'Awesome'  —  Britney Spears doesn't miss being married.  —  When asked in New York on Friday how she likes being single, the pop star, who filed for divorce from Kevin Federline on Nov. 7, told PEOPLE: "It's awesome."  —  Spears grabbed the spotlight Friday …

FLYING TRESSES  —  VIVICA Fox literally flipped her wig in Miami early Friday morning.  The actress arrived at the Raleigh Hotel at 2:30 a.m. As she was getting out of her car, a witness saw a "fuzzy thing" fall to the ground.  He then caught sight of Fox, who "looked strange - she had really, really short, weird hair."

Kim erases her sex-tape denial  —  Kim Kardashian has changed her tune about the graphic sex tape Gatecrasher exclusively reported on last month.  —  The model and Paris Hilton pal had repeatedly denied the existence of such a video, made with her ex-boyfriend, R&B singer Ray J.

Anne Heche's husband files for divorce  —  LOS ANGELES (AP) — Anne Heche's husband has filed for divorce after five years of marriage, citing irreconcilable differences.  In documents filed Thursday, Coleman Laffoon asked the court to award him spousal support and joint custody of the couple's 4-year-old son, Homer.

Inside Tori's Baby Shower  —  Tori Spelling's baby shower turned into a paparazzi frenzy.  As I write this, Spelling is holding court at her baby shower at Elixir, a funky tea and tonic café and shop in West Hollywood.  —  "The paparazzi are all over the front of the place," an eyewitness reports.

'DREAMGIRL' A NIGHTMARE BOSS  —  BEYONCÉ, one of the highest-paid women in show business, doesn't seem to have much sympathy for those still struggling to see their names in lights, according to our spies.  Now that the superstar is wrapping up her "Dreamgirls" tour …

Is it a bird?  Is it a Prince?  —  TIPSY Prince William flew out of a birthday bash yesterday . . . after spending the evening dressed up as Superman.  —  William, 24, donned the hero outfit after birthday boy Guy Pelly, 25, ruled that all guests must wear a ONE PIECE outfit.

Mischa Barton - Candids West Hollywood  —  Actress Mischa Barton's skirt flies up on her but luckily (or unluckily depending on your perspective!) she had on stretch pants underneath!  —  2 Comments.  What Do You Think?

Baby Phat brings sexy back  —  And Britney overshares ... again!  —  Kim Cattrall in Carolina Herrera  —  Kristin Chenoweth in Rebecca Taylor  —  BCBG  —  Yigal Azrouel  —  Naughty bits were everywhere at Baby Phat last night.  —  And not just on the runway.

ON THE PROWL  —  KIRSTEN Dunst seems to be over her ex, Jake Gyllenhaal - but she's not settling down.  The blonde has been linked to every dark-haired, scruffy guy in Hollywood lately (including Adam Brody and Adrian Grenier) and was most recently spotted partying with Andy Samberg.

MILLER: 'I'M NOT ADDICTED TO PUBLICITY'  —  British star SIENNA MILLER has hit back at claims she's addicted to media attention, insisting she's only seeking publicity to promote her new movie FACTORY GIRL.  The 25-year-old actress was mocked by the British press for appearing at the Factory Girl …

Kylie Minogue & Olivier Martinez Split  —  Australian singer Kylie Minogue and Paris-born actor Olivier Martinez have broken up after four years together, according to a statement released Friday.  —  "Olivier Martinez and Kylie Minogue have officially confirmed that they are no longer a couple …

THE FAMILY BUSINESS?  —  Gwen Stefani and Gavin Rossdale proudly show off 8-month-old son Kingston's rock-and-roll do as they head off on a family outing in Denham, England, on Thursday.  Stefani has been taking the winter off to play full-time mom before gearing up for the North American leg of her Sweet Escape tour this spring.

ParisExposed.com Derailed  —  TMZ has learned that a federal judge has issued a temporary restraining order Friday, prohibiting the distribution of Paris Hilton's lurid belongings — at least, many of them.  —  Bardia Persa purchased a storage bin full of Hilton's stuff from a third party …