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 …

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.

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?

Bachelor's Ali “Shocked” by Rejection, Bachelorette Talk is “Nice”  —  America probably hasn't seen the last of Ali Fedotowsky.  —  Just a week after she left The Bachelor for professional reasons, the 25-year-old fan favorite appears on Tuesday's Ellen DeGeneres Show …

Betty White to SNL: Are You Kidding?  —  Between her cameo with Abe Vigoda in a Super Bowl commercial for Snickers, costarring with Sandra Bullock and Ryan Reynolds in the romantic comedy The Proposal, and being recognized for lifetime achievement by the Screen Actors Guild …

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 Don't Look “Classy” in Underwear  —  Megan Fox wishes she looked a little more sophisticated in her skivvies.  —  “There are some women you could put in underwear and photograph them, and it looks really classy and it doesn't necessarily provoke a pinup image,” the actress, 23, tells the March issue of W magazine.

Couples Watch: Britney Spends Valentine's Day at McDonald's  —  • Britney Spears and beau Jason Trawick celebrated Valentine's Day with her boys, Preston and Jayden, but when the kids took their afternoon nap, the happy couple ran off together for a late lunch.  Their destination?

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 …