Nicole Richie & Joel Madden Getting Married!  —  They've been together for more than three years and have two children.  Now, Nicole Richie and Joel Madden are planning to make it official.  —  Richie said Monday night during a taping of the Late Show with David Letterman that the couple …

Chynna Phillips Enters Rehab for Anxiety  —  Chynna Phillips of the pop group Wilson Phillips checked herself into rehab for anxiety over the weekend, her manager, Lizzie Grubman, tells PEOPLE exclusively.  —  Phillips is the half-sister of Mackenzie Phillips, whose claims last fall …

Woman of the Hourglass  —  Mad Men's Christina Hendricks finds talk of her body boring.  A minority opinion, to be sure.  Particularly this season.  —  Corsets, lace, cleavage, and silk.  Who better than Hendricks to model the new lingerie-as-outerwear trend?

Charlie Sheen's Wife in Rehab  —  In what could be a blow to the prosecution's case against Charlie Sheen, Brooke Mueller is now in rehab for substance abuse ... TMZ has confirmed.  —  The criminal case in Aspen comes down to Charlie's word against Brooke's — she claims he put a knife to her throat and threatened her life.

EXCLUSIVE: Porn Star Who Claims Tiger Got Her Pregnant Is Compulsive Liar Says Her Step-Mom  —  Deborah Siwik, the step-mother of porn star Joslyn James — the woman who claims that she was impregnated by Tiger Woods — has exclusively told RadarOnline.com that James is a “compulsive liar.”

Megan Fox: I'd Make a Great Mother  —  Megan Fox says she has another role already in mind - that of a mother.  —  “No one believes me when I talk about this, but I'm really maternal,” Fox, 23, tells W magazine for its March issue, due on newsstands this week.

Mariska Hargitay Goes Two-Pieces  —  “Law & Order: SVU” star Mariska Hargitay showed off her special swimsuit units while in St. Barth's this weekend.  —  Being Jayne Mansfield's daughter comes with a lot of perks.  —  More Mariska  — Mariska Returns Post-Hospitalization

Heidi Montag: Future Porn Star?  —  After he convinced her get some bigger tits and a new face, I knew it was only a matter of time before Spencer McDouche would be pimping out his wife Heidi Montag for bachelor parties and holidays.  Here she is dressed as a pornstar in a suite in Las Vegas …

Shia and Carey Take Their Valentine's Romance on a Boat  —  Shia LaBeouf and Carey Mulligan decided to do something special to mark their first Valentine's Day as a couple, renting a boat called the Lady Hornblower for a sunset cruise near LA. An attendant was even on hand to serve the couple wine and snacks …

Leonardo DiCaprio and Bar Refaeli Engaged?  —  Actor Leonardo Dicaprio, 35 and supermodel girlfriend Bar Refaeli, 24, are rumored to have gotten engaged on Valentine's Day.  Hold off on the engagement gifts, a source close to Leo tells “Extra” that the story is made up.

Did Hayden Panettiere get a boob job?  —  Hayden Panettiere is looking much more stacked lately, and this week's National Enquirer claims that she's had some surgical intervention.  Looking at the difference, I don't think she's just wearing a pushup bra, but it's possible she's using external bra inserts.

Betty White leaving her ‘SNL’ host fate in Lorne Michaels' hands  —  The ball is in your court, Lorne Michaels.  —  I just got off the phone with the legendary Betty White, and despite her busy schedule the actress hasn't missed the Facebook push to name her as a host of “Saturday Night Live.”

Jersey Shore's Ronnie — The Homophobic Tirade  —  WARNING: Video contains explicit language.  —  Ronnie Magro from “Jersey Shore” didn't just fight in front of the cameras — he also spewed some disgusting homophobic slurs during a violent altercation on the boardwalk ... and the footage has finally come to light.

John Mayer Offered Porn Gig  —  No, it's not an invitation for his “white supremacist” shlong to star in an XXX film, but Vivid Entertainment founder/co-chair Steven Hirsch has contacted the mouthy singer offering him a writing (and possible directing) gig with the adult film company.  Steven wrote to John: