Paul McCartney, Nancy Shevell Are Engaged  —  Paul McCartney and his girlfriend of four years, Nancy Shevell, are engaged to be married, sources tell PEOPLE.  —  “Nancy and Paul are getting married,” a source close to Shevell, 51, a New York businesswoman, tells PEOPLE.  “Ring and all - very exciting.”

Smoking hot?  Lindsay Lohan reinforces her bad girl image posing with a cigarette in racy new shoot for BLANK magazine  —  No matter how much trouble Lindsay Lohan gets into she always seems to squeeze a photoshoot or two into her busy schedule of court appearances, community service and visits to her lawyer.

Will Smith Emerges as Frontrunner to Star in Quentin Tarantino's Next Film (Exclusive) … Will Smith has emerged as the frontrunner to star in Quentin Tarantino's next film, Django Unchained, a spaghetti Western about a slave in the Old South who teams with a German bounty hunter to search for his wife.

Christina Norman Dismissed as Chief of OWN  —  Christina Norman, left, with Oprah Winfrey and David Zaslav, the chief executive of Discovery Communications, celebrating the start of OWN on Jan. 1, 2011.  Ms. Norman is exiting the channel.  —  1:49 p.m. |  Updated |

Justin Bieber — I'm Doing Japan No Matter What  —  Justin Bieber will perform in Japan this month come hell or high water ... TMZ has learned — despite his crew staging an outright mutiny ... and refusing to go with him.  —  The Biebs is scheduled to perform across the Pacific in two weeks …

Kate Middleton Spotted Skipping at the Grocery Store  —  From wedding vows to grocery lists, Kate Middleton has been doing a lot of writing lately.  The Duchess recently stepped out looking casual chic — trading a diamond tiara for something equally shiny, a grocery cart.

William and Kate adopt baby penguin  —  Prince William and his new wife Catherine have adopted an endangered baby penguin called Acorn, a British zoo revealed on Friday.  —  But Acorn will not be not be moving in with the royal newlyweds any time soon, Chester Zoo

Bikini Clad Kim Kardashian's Sexy Beach Romp With Beau [Photos]  —  Kim Kardashian sizzled on the beaches of Puerto Mita, Mexico, with boyfriend and New Jersey Nets star, Kris Humphries.  —  The undeniably hot pair weren't shy with their signs of affection.

Jolie, Black perfect for ‘Kung Fu Panda 2’  —  With an Oscar, Brad Pitt as a beau and a face as recognizable as any on the planet, Angelina Jolie doesn't fluster easily.  —  Stick her in a recording studio with her kids, though, and she's a jangle of nerves.

‘The Dark Tower’ Staff Put On Hiatus As Filmmakers, Studio Address Budget Problems  —  Universal Pictures has put pre-production staff on hiatus as they discuss ways to bring down the budget of the ambitious adaptation of the Stephen King novel series The Dark Tower.

The World's Top-Earning Models  —  Elite models are prospering, but newcomers aren't scoring the same paydays as before the recession.  —  The economic recovery has been good for the world's top-earning models.  With consumers again cautiously spending on luxury goods …

Tara Reid partied so hard that her tooth fell out  —  In the past year, a few stories have indicated that Tara Reid has fallen off the sobriety wagon in a very spectacular way despite a 2009 rehab stint that was supposed to put her back on track to a career “comeback.”

Kelly Preston — Charlie Sheen DID NOT Shoot Me!  —  Kelly Preston is backing up her ex-fiance Charlie Sheen — confirming he DID NOT pull the trigger during the infamous 1990 shooting incident ... and insisting the whole thing was a “complete accident.”  —  Kelly — who's now married …

INTERVIEW: Howard Stern Sidekick Robin Quivers Talks Of Leaving  —  Peanut butter and jelly; Kobe and the Lakers; Howard and Robin.  Some things are just meant to be together.  —  But, in an exclusive interview with RadarOnline.com, longtime Howard Stern sidekick Robin Quivers says she could soon …

Warner Bros Buys Hot Spec, Matt Damon Circles As Star And Director  —  EXCLUSIVE: In a $500,000 against $800,000 deal, Warner Bros is finalizing a deal to acquire Father Daughter Time: A Tale of Armed Robbery and Eskimo Kisses, the Matthew Aldrich spec that Deadline told you yesterday had five bids on the table.

Ex ‘Bad Girls’ Chick to Castmates — Come, Do Porn!  —  An ex-member of the “Bad Girls Club” reality show is trying to recruit her fellow alumni to join her in the world of porn — in the hopes of producing a new series of XXX movies ... TMZ has learned.  —  TMZ spoke with “Season 5” …

'American Idol's' Randy Jackson Calls ‘The Voice’ ‘Gimmicky’ (Exclusive) … If there was any doubt whether NBC's new show The Voice and American Idol would be at each other's proverbial throats, Voice coach Adam Levine made sure of it on this week's episode.

Taylor Swift Turns “Speak Now” Concert Rehearsal Into Tornado Fundraiser  —  Why is Taylor Swift so perfect?  She's making everyone else look bad.  —  For the first time ever, Taylor Swift is letting fans watch her rehearse for her upcoming Speak Now World Tour — and it's all for a good cause.

Cool girl  —  MADONNA is preparing daughter LOURDES to inherit her pop crown when she finally hangs up her conical bras.  —  The singer has collaborated with the teen on a recording and hopes it will set her on the way to a successful career.  —  The track is called It's So Cool and Madge …

Real Housewives Star's Home In Foreclosure; She Sues The Banks  —  A real housewife without a house?  —  It could happen to Peggy Tanous, one of the stars of Bravo's The Real Housewives of Orange County!  —  Read The Document: Peggy Tanous Lawsuit  —  Former model Tanous is in a dogfight …

Kat Von D Speaks On Jesse James...A LOT!  —  Jesse James has been all over the media lately while promoting his new tell-all book American Outlaw.  —  Now, his fiancee Kat Von D has decided to open up on a bunch of subjects via Facebook.  —  Here are some highlights of her lengthy Fbook note:

Video: Tina Fey, Amy Poehler Channel ‘Jersey Shore’  —  New Jersey invaded ‘Late Night,’ along with several of Jimmy Fallon's former ‘Saturday Night Live’ castmates.  It was a veritable reunion of some of the late-night sketch show's power women with Tina Fey, Amy Poehler and Rachel Dratch all making cameos.