Nicky Hilton Makes Citizen's Arrest at IHOP  —  Don't mess with Nicky Hilton!  —  After being pushed to the ground by a homeless person at a West Hollywood IHOP at 5 a.m. this morning, the heiress “made a private person arrest,” a law enforcement source confirms to Usmagazine.com.

Madonna Shows Off Fresher-Looking Face at Oscar Party  —  Madonna looked younger than ever at the 2009 Vanity Fair Oscar party Sunday in Hollywood.  —  Throughout the night, the 50-year-old singer (whose younger beau, model Jesus Luz was noticeably absent) sipped on white wine and chatted up Gwen Stefani …

Charles Barkley Is Going to Jail  —  Hope they've got XXXXL jumpsuits in AZ, 'cause Charles Barkley is officially going to jail.  —  Barkley just pleaded guilty to 2 counts of driving under the influence and pleaded “responsible” to running a stop sign for the December 31st incident in Scottsdale.

Britney Sneaks Calls — Daddy Pissed  —  There's a hearing underway in the Britney Spears restraining order case against Sam Lutfi and Adnan Ghalib.  —  Daddy Jamie Spears is on the stand right now, explaining that Britney somehow got her hands on a pre-paid cell phone which caused him fits …

Supermodel Adriana Lima Elopes!  —  An engagement ring on her birthday and a secret marriage on Valentine's Day - who knew jocks could be so romantic!  —  Adriana Lima, a Brazilian supermodel and a Victoria's Secret Angel, eloped with NBA star Marko Jaric on Feb. 14 in Jackson Hole, Wyo. …

Pregnant Nicole Richie Hits an Oscar After Party!  —  Nicole Richie celebrated the news of her second pregnancy by hitting an Oscar after party!  —  Along with beau Joel Madden, she stayed out until 4 a.m. Monday at a private bash in the Hollywood Hills hosted by industry heavyweights Rick Yorn …

OCTO-MOM ERUPTS!  VIDEO SHOWDOWN WITH HER MOM OVER BABIES  —  The tension has been building for months, if not years.  Octo-mom Nadya Suleman has been publicly and strongly criticized by her mother Angela, who contradicts key parts of Nadya's story.  —  Now, in a RadarOnline.com world exclusive Nadya …

Kristen Stewart on David Letterman, Joan Jett, and Hollywood's new blood.  —  Though she'd caught our eye with her piercing turn with Emile Hirsch in Into the Wild last year, it was her Twilight role as Bella Swann, the mortal love of a “vegetarian” vampire named Edward Cullen …

Thin Lindsay Lohan: “Stressed” But “Really Happy”  —  Lindsay Lohan is still eating...she's just stressed out.  —  “I haven't changed my eating habits,” she said at the Mercedes-Benz Oscar party at the Montage Beverly Hills, where she was excited for Sean Penn's big win.  So has she upped her gym routine?

Angelina Jolie, Jennifer Aniston Share Oscar Spotlight  —  While Slumdog Millionaire piled up the Oscars Sunday night, Angelina Jolie and Jennifer Aniston defied expectations and piled on the smiles - as their dual appearance at Hollywood's night of nights was as smooth as the silk gowns that filled the Kodak Theatre.

Sean Penn Explains Leaving Wife Out Of Oscar Victory Speech  —  Oscars,Awards Season,Sean Penn,Movies,Memorable Moments  —  Sean Penn, who took home his second career Academy Award for Best Actor on Sunday night for his role in “Milk,” delivered one of the night's most powerful acceptance speeches.

Spoiler Chat: Does Izzie Have a “Textbook” Tumor?  —  Oh, Grey's Anatomy.  —  You always keep us guessing, especially when it comes to the fate of one Dr. Isobel Stevens, aka Katherine Heigl—aka the AWOL actress who is, according to inside sources, thisclose to getting ABC to sign off on her leaving the show for good.

‘The Hills’: Exclusive trailer, series returns in late March  —  Good news: “The Hills” returns next month, and we've got your exclusive first look at the trailer for the new episodes (MTV says this isn't Season 5; these are Season 4 bonus episodes.)  We've also got details from the network about what you will and won't see on camera.

Rihanna celebrates her 21st birthday!  —  There still might be drama with Chris Brown, but Life & Style can exclusively report that Rihanna celebrated her 21st birthday in style: going to a movie with friends and then partying the night away!  —  “Rihanna, accompanied by some pals …

Oscars 2009: Inside the Show!  —  Oscars,Awards Season,Alicia Keys,Zac Efron,Comedians,Jennifer Aniston,Daniel Craig,Nicole Kidman,Halle Berry,Reese Witherspoon,More Tags...  Also Check Out:  —  Enter for your free chance to win a Palm Pre phone, Celeb Gifts including Koolaburra, Blue Notch Jeans & more!

Hot Madonna Picture of the Day  —  Lookin' Good Sweetheart.  I have a pretty strong stomach.  I don't ever throw up, I don't get grossed out, I even watched 1 Guy, 1 Cup where the motherf**ker's a**hole exploded into a bloody mess and I wasn't phased.  But for some reason, this s**t made my stomach turn.

Julianne Hough Says Boyfriend Chuck Wicks's Dancing Is ‘Hilarious’  —  Julianne Hough will have her real-life beau Chuck Wicks right by her side when Dancing with the Stars kicks off again March 9 — and the dancing pro says her boyfriend is a real hoot on the dancefloor.