You're so vain... David  —  SINGER CARLY SIMON has finally ended a 38-year guessing game - by naming the subject of hit You're So Vain.  —  The catty lyrics were believed to be aimed at an ex-boyfriend such as MICK JAGGER, CAT STEVENS, KRIS KRISTOFFERSON or WARREN BEATTY.  —  To hear the name revealed, click below...

Jim Carrey Becomes a Grandfather!  —  He may seem a little young to be called “Grandpa,” but 47-year-old Jim Carrey is embracing his new role now that daughter Jane Carrey has given birth to a baby boy.  —  Jane and husband Alex Santana welcomed their first child, son Jackson Riley Santana …

Lara Spencer Gets the Truth on Tiger Woods' Rehab from Dr. Drew (Video)  —  PopEater pal Lara Spencer didn't waste the chance to ask ‘Insider’ guest Dr. Drew Pinsky about the fallout from the staged photo opp at the Tiger Woods press conference and what Woods' choice of rehab facility …

Jon Cryer's Ex-Wife Allegedly Requested Hit  —  Jon Cryer, co-star of “Two and a Half Men,” was the target of a hit engineered by his ex-wife ... this according to the woman's ex-boyfriend.  —  According to documents filed in the custody battle between Cryer and ex-wife Sarah Trigger …

LADY GAGA LEAVES ZUMA  —  Last night, Lady Gaga was spotted leaving Zuma restaurant in London wearing a three foot pair of horns on her head!  Click the picture above to view more photos.  —  Source: Big Pictures via Mr Paparazzi  —  Starstrukk71  —  OMG!!!!!..only gaga could pull that off,i LOVE HER!!!!.. :D

Gatorade Loses Its Thirst for Tiger Woods  —  Tiger Woods has been dumped again by a corporate sponsor, this time by Gatorade.  —  A spokeswoman for the drink maker, sold by PepsiCo, confirmed Friday that it had discontinued its endorsement deal with the scandal-plagued golf star.

Joe Jonas and Demi Lovato's ‘Make a Wave’ Debuted  —  This year's anthem of Disney's Friends for Change: Project Green sung by the Jonas Brothers' lead singer and his ‘Camp Rock’ co-star has finally been sent to radio.  —  A new duet track between Joe Jonas and Demi Lovato has got its radio airplay on Radio Disney Friday, February 26.

EXCLUSIVE: Bret Michaels: “Nothing to Be Defensive About” Miley Cyrus Song  —  Bret Michaels says he has nothin' to apologize for about “Nothin' to Lose,” his new song featuring Miley Cyrus.  In the country-rock ballad that went online Thursday, Cyrus, 17, harmonizes as Michaels, 46 …

Courtney Love Attacks Edward Norton On Twitter  —  WHAT'S YOUR REACTION?  —  Courtney Love attacked ex-boyfriend Edward Norton on Twitter late Thursday night.  —  Love, who dated Norton in the 90s after costarring in “The People vs. Larry Flynt,” doesn't make total sense …

Oscars Hire Joel Madden to Deejay to Create ‘Party Atmosphere’  —  Welcome to Club Oscar.  —  The ultra-traditional Academy Awards are loosening up this year, hiring Joel Madden to serve as house deejay at the show, producer Adam Shankman tells PEOPLE.  —  “We're friends and I asked him,” Shankman says.

EXCLUSIVE: It's Official!  Simon Cowell Engaged, His Fiancée Tells RadarOnline  —  It's official.  Simon Cowell is getting married!  —  Beautiful Mezhgan Hussainy told RadarOnline.com exclusively that she and Simon are officially engaged.  —  Until now, there have been only whispers …

Vulture Exclusive: Taylor Lautner Drops Mattel's Max Steel to Make Hasbro's Stretch Armstrong  —  Forget Team Edward versus Team Jacob, Taylor Lautner found himself in the midst of a bigger rivalry in toy-obsessed Hollywood: Team Mattel versus Team Hasbro.  And Vulture has learned that Hasbro …

The Bachelor's Jason Mesnick and Molly Malaney Set to Wed  —  Bachelor star Jason Mesnick and former contestant Molly Malaney are set to tie the knot Saturday, PEOPLE has learned.  —  The private ceremony and reception will be featured in a two-hour TV special, The Bachelor …

Anne Hathaway Nude Scenes in Love and Other Drugs Confirmed!  —  If you like seeing Anne Hathaway naked (and really, who doesn't?), then I've got some great news for you.  According to post on the IMDB Forum, a viewer has confirmed several Anne Hathaway nude scenes in her upcoming film Love and Other Drugs.

Tina Fey, Steve Carell to host at Oscars  —  Comedians Steve Carell, Tina Fey and Sacha Baron Cohen are among the stars confirmed to present at this year's Oscars.  —  The Academy of Motion Picture Arts and Sciences also announced that Ben Stiller and Jason Bateman will be amongst the presenters at the March 7 event.

Kirk Cameron, Tracey Gold Remember Andrew Koening  —  Former Growing Pains stars Kirk Cameron and Tracey Gold are mourning the death of their costar Andrew Koenig, whose body was found Thursday in a Vancouver park after he committed suicide.  —  “It is with great sorrow to hear …

Tiffani Thiessen Shows Off Baby Bump in NYC  —  When Tiffani Thiessen isn't playing the beautiful, steadfast wife of an FBI agent in USA Network's ‘White Collar,’ she's taking time to relax before her baby arrives.  “I'm feeling great,” the actress, 36, gushed to PopEater at USA Network …