Rihanna NUDE!!!!  —  You know what I wasn't expecting to see on a Friday afternoon: Rihanna nude pictures, that's what.  But here they are, in all their magnificent glory!  I guess someone didn't want a efw Cassie nude pictures to hog all the spotlight.  I'm pretty sure we can officially call this Nude R&B Singer Week.

Lance Armstrong: Sheryl Crow and I Split Over Baby  —  In his upcoming book, Lance Armstrong reveals that he and ex fiancee Sheryl Crow split in 2006 because she wanted to have children — and he didn't.  —  “She wanted marriage, she wanted children; and not that I didn't want that …

Megan Fox Finds Sex-Symbol Role Comes Naturally  —  She's a staple in men's magazines and was named FHM's Sexiest Woman in the World for 2008.  But Megan Fox says she doesn't know how to deal with the attention.  —  “If you know how to take control of [being a sex symbol], then it can be powerful …

Dina Lohan Defends Her Parenting Skills  —  Dina Lohan is slamming recent reports that question her parenting skills and claim that her 15-year-old daughter, Ali, is socializing instead of studying.  —  “Ali is in a home-schooling program.  She has never been pulled out of school,” Dina tells PEOPLE exclusively.

Julie Bowen Welcomes Twin Boys  —  It's double the joy for Boston Legal actress Julie Bowen.  —  The star and her husband, Scott Phillips, welcomed twin boys named Gus and John early Friday morning, her rep confirms exclusively to PEOPLE.  —  The couple, who announced last November …

Paris Hilton Admits She Uses “Google” Instead of a Diary  —  Paris Hilton doesn't keep a diary.  —  She just Googles herself.  —  The 28-year-old heiress — who is being sued for $8 million for failing to promote her 2006 comedy Pledge This! — was asked by lawyers during a pre-trial hearing …

Salma Hayek Bikini Pictures  —  If ever there was a woman built for a bikini, it's Salma Hayek, and while I wish these Salma Hayek bikini pictures were a little bigger, and that her bikini was a little smaller, I'll take what I can get.  All I know is, that boyfriend (husband?) of her's is one lucky Billionaire.

Did Sean Penn leave Robin Wright for Natalie Portman?  —  Star Magazine is alleging that one of the biggest factors in Sean Penn and Robin Wright Penn's recent separation is none other than Natalie Portman.  In mid-March, there was a rumor that Sean and Natalie were caught making out at the Sunset Tower Hotel.

Sacha Baron — Anal Bleaching Was Pain in the Ass  —  He was simply trying to bleach the hair around his batcave for a movie role — when Sacha Baron Cohen reportedly broke out in a rash so bad, he couldn't sit for days.  —  Several British reports claim Cohen, who was prepping to play …

Kate Gosselin: Jon Is Dealing “Very Poorly” With Being in the Public Eye  —  Kate Gosselin of TLC's Jon & Kate Plus 8 said the focus on her current marital woes is “a result of our situation — our very public lives.”  —  “We, as you know, have a reality show,” she said on Thursday's Larry King Live …

HAYDEN'S A SEX FAN  —  HAYDEN Panettiere has her priorities.  At a recent Highline Ballroom show, the perky “Heroes” star was overheard talking to a friend about “Californication” star David Duchovny, who checked himself into rehab for sex addiction last year.

Adam Lambert: Shaking Up ‘Idol’  —  He's the most exciting “American Idol” contestant in years: Huge voice, over-the-top theatrics...and that whole “Is he gay?” thing.  He's a true original — and just what the show needed.  —  There is nothing more valuable to the health of an eight-year-old TV series than a surprise.

Seal: Heidi Klum and I “Are Having a Girl”  —  It's a girl for Heidi Klum!  —  Seal announced the sex of his wife's fourth baby on a taping of The Oprah Winfrey Show Friday afternoon.  —  “She can't keep a secret,” Seal says, adding that his wife said he could start telling people they're expecting a girl.

Sandra Bullock: I'm Learning to Let My Husband Take Care of Me  —  Since marrying Jesse James in 2005, Sandra Bullock says she's had to loosen up and let him dote on her a little.  —  “I've had to learn a hard lesson in that I'm not allowed to open car doors anymore,” Bullock, 44, tells Harper's Bazaar in its June issue.

Lindsay Throws Eggs At The Paparazzi  —  The headline pretty much sums it all up!  —  Lindsanity went on the attack last night.  —  Check it out (above)!

Fawcett's friends prepare to say goodbye  —  Plus: Canada not thrilled about Lohan; is Mel Gibson's girlfriend expecting?  —  The Scoop  —  msnbc.com  —  The weekend is expected to be a somber one for friends of Farrah Fawcett.  Her longtime partner Ryan O'Neal told People magazine that Fawcett …

Christian Bale forces “Terminator” rewrite  —  LOS ANGELES (Reuters) - British actor Christian Bale forced a rewrite of upcoming action movie “Terminator Salvation,” because his star had grown too big for the small role of John Connor he chose, the filmmakers said on Friday.

EXCLUSIVE: Gossip Girl's Leighton Meester featured on Cobra Starship's Hot New Single  —  Ryan world premiered Cobra Starship's highly anticipated new single “Good Girls Go Bad” on his radio show Friday.  The song features actor turned recording artist Leighton Meester of Gossip Girl fame …

Paula Abdul: No Painkillers, No Rehab  —  UPDATE: Added Abdul in a statement today: “I want to make it perfectly clear to everyone that I have never been addicted to or abused drugs in my life,” Abdul said.  “I have never been drunk.  I have never entered a rehab or detox treatment center.