Sheen's Kids Removed After Alleged Death Threat  —  A judge temporarily stripped Charlie Sheen of custody of his twin sons Tuesday, after Brooke Mueller submitted a declaration in which she alleged Charlie said, “I will cut your head off, put it in a box and send it to your mom” ... TMZ has learned.

Serena Williams Suffers Pulmonary Embolism  —  Serena Williams looked stunning at Sunday night's Elton John AIDS Foundation Academy Awards Viewing Party - but, privately, the tennis ace was struggling with a serious health scare that took a dramatic turn on Monday.

WORLD PREMIERE: Listen to Kim Kardashian's Debut Single “Jam” [AUDIO]  —  Kim Kardashian joined us in studio with sister Kourtney Kardashian to premiere her single “Jam” Wednesday morning on “On Air with Ryan Seacrest” as well as dish about current boyfriend and Nets player, Kris Humphries.

The Christina Aguilera Mug Shot the Cops Didn't Want You to See  —  Does Christina Aguilera look publicly intoxicated to you?  —  The spiraling pop diva was arrested on suspicion of that very charge early this morning, and here is the photographic evidence of the bust, exclusively obtained by E! News.

Snooki Discusses Smushing and the Stress of ‘Jersey Shore’ in Rolling Stone Cover Story  —  'We can't have cellphones, TV, radio or the Internet.  There's no normalcy.  It's just like prison, with cameras'  —  By  —  Watch video of Snooki's Rolling Stone cover shoot with Mark Seliger below.

Justin Bieber is a Badass Now  —  Obviously someone's been staying up past his bedtime watching The Winner stick it to the man, because here's the now-former Child Messiah Justin Bieber embracing the Dark Side and flipping off the paparazzi while celebrating his 17th birthday last night with Selena Gomez who looks just so, so thrilled.

Christina Aguilera's Friends Begging For Rehab  —  Some of Christina Aguilera's friends and business associates have been pleading with her for several months to get treatment for alcohol abuse ... TMZ has learned.  —  As one source put it, “Maybe when she was married she was able to keep it under wraps, but it's out in the open now.”

Sean Penn & Scarlett Johansson — The Lunch Date  —  With her foot in his lap during lunch, Scarlett Johansson, 26, got friendly with Sean Penn, 50, at Cuban restaurant Versailles in L.A. on Monday.  —  We're told the two were seen smiling and laughing together during the meal …

Galliano Said to Be Headed for Rehab  —  PARIS — John Galliano, the talented and troubled designer who was fired by Dior for making anti-Semitic remarks in a drunken rant at a Paris bar, left France to enter rehabilitation on Wednesday, according to friends who would speak only anonymously because of the sensitivity of the situation.

New Couple Alert: Ryan Gosling and Olivia Wilde?  —  It appears that Olivia Wilde is doing just fine since announcing her split from royal hubby Tao Ruspoli earlier this month.  —  The gorgeous Tron: Legacy star was seen out on what appears to be a date with the equally gorgeous Ryan Gosling.

James Franco: Stoned During Oscars?  Enemies With Anne Hathaway?  Here's the Real Scoop  —  It's no secret that James Franco is getting universally trashed for his work as Oscar cohost.  —  The 127 Hours star seemed so disconnected, sluggish and bored by the festivities that there's …

Sienna Miller To Play Belly-Dancing Chicago Housewife  —  British actress Sienna Miller will star in Just Like a Woman, playing a Chicago housewife who absconds with her belly-dancing teacher to Las Vegas to enter a dance competition.  Rachid Bouchareb, whose Algerian Oscar entry Above …

Who Will Be Kate Middleton's Lady-in-Waiting?  —  Kate Middleton is getting more than just a husband on April 29 - she'll also be gaining a right hand woman: the traditional lady-in-waiting.  —  The role of lady-in-waiting usually goes to a friend or relative, and while speculation suggests …

How Aretha Franklin Lost 85 Lbs.  —  Aretha Franklin (left) and Wendy Williams  —  First things first: Lose any food that's smothered in hot sauce.  —  “That's off the menu now ... and no pig feet, either,” Aretha Franklin said good-naturedly on The Wendy Williams Show Wednesday.