Britney unveils her mumsy look - but will she lose her sons?  —  Here she is, one more time - troubled star Britney Spears' hair is beginning to grow back.  —  The mother-of-two dramatically shaved all her hair off six months ago in the midst of what many suspected was a nervous breakdown.

Kristen Bell throws curve to 'Heroes'  —  'Veronica Mars' star added to cast  —  NBC is adding former "Veronica Mars" star Kristen Bell to the cast of "Heroes."  —  Peacock has snagged Bell for a key multiepisode arc of its sophomore sensation.  Casting is a major coup for NBC since Bell …

Paris: I'll go on Big Brother  —  PARTY girl Paris Hilton is set to sign for Celebrity Big Brother after being offered more than £300,000, The Sun can reveal.  —  Ex-con Paris, 26, is desperate to raise her profile in the UK — and is prepared to be locked up for another three weeks in the Channel 4 house.

STILL PROWLING  —  WATCH out, Jessica Biel - Justin Timberlake's womanizing ways haven't changed.  Spies spotted the notorious flirt "sitting with a bronze-skinned brunette with long brown hair all night at a cocktail table near the dance floor" at an HBO party on the roof of the Tribeca Grand.

Arrested.  Again.  For the 100th time.  —  Hopefully this will be the finally nail in his coffin.  —  It's time.  It's time for Pete Doherty to be locked up for good and do some serious jail time.  —  The super junky has been given way too many chances by the courts in the U.K. to get clean …

TRUMP BID TO SAVE BIMBO TRIO  —  DONALD Trump wants to try to whip the world's most famous trio of bimbos into shape and save their careers.  —  The Donald tells Page Six he's talking with Britney Spears about appearing on his upcoming "Celebrity Apprentice," and that Paris Hilton …

Keira lights up the lakeside on the set of her latest movie  —  Gleaming white in the sunshine, it is a reminder of a bygone age.  —  Not the rubber swimming hat, but the cigarette.  —  This is Keira Knightley, lady of the lake, as seen on the set of her latest movie, Atonement.

Bea brings Sir Paul and Heather together in an embrace  —  At least they were talking civilly.  And without their teams of lawyers present.  —  But the body language of both Paul McCartney and Heather Mills still showed a fair amount of awkwardness, hardly surprising after 18 months of bitter divorce wrangling.

OIL EMBARGO  —  BLOODY-eyed Brandon Davis - whose shiner suggests he's still recovering from the fight he had with his dad last month - isn't the only Davis oil heir to be cut off from family funds.  Sources told Page Six his brother, Jason, is also feeling the purse pinch.

LOVESTRUCK Prince William and on-off girlfriend Kate Middleton touched down for their romantic holiday in the Seychelles this week and the News of the World was the only paper there to greet them.  —  The couple had hatched an elaborate plot — involving a four-mile exclusion zone — to keep their intimate break top secret.

X17 XCLUSIVE - Britney Au Natural!  —  Britney sans extensions, y'all!  Almost six months to the day since Britney tooks an electric razor to her head, X17 has caught an exclusive glimpse of Brit without a wig, without extensions — it's Britney bare and beautiful!  —  SEE MORE AFTER THE JUMP »

Shar Jackson: K-Fed's a Good Father!  —  As if the couch potato K-Fed versus baby dropping Britney battle couldn't get more interesting, Fed-Ex is enlisting a new face into his custody brigade: his (other) baby mama!  —  Federline's chesty former flame Shar Jackson was caught popping out of the 2nd Annual …

New York Fans Boo Beckham and Enjoy a Show  —  Besides the shopping, the one thing David Beckham says he loves about New York is the people's honesty.  —  "If someone doesn't like you, they'll come up to your face and tell you, 'I don't like you,' " he said at a news conference Friday.

Kate Hudson Walks with Ryder and Boyfriend Dax  —  Kate Hudson was seen with boyfriend Dax Shepard and her son Ryder in Boston today.  We spotted them strolling by the shops and then going into Starbucks, where they were caught cuddling.  Ryder spent time trying to hide from the cameras while mom and Dax got lovey-dovey.

Lily Allen Postpones U.S. Concerts Over Visa  —  British singer Lily Allen has been forced to postpone her September U.S. concert dates because she can't get her work visa reinstated in time.  —  The 22-year-old "Smile" singer had her American visa unexpectedly revoked Aug. 5 in Los Angeles …

Mena looks mean with beach buzzcut  —  Actress Mena Suvari got more than a few looks has she strolled the beach in Malibu, looking very much like a US Marine with her skinhead hairstyle.  Mena and a pal took in some of the summer sun before cooling off in the surf.