RADARONLINE.COM WORLD EXCLUSIVE!  Jon & Kate To Announce Divorce  —  It's official.  Jon and Kate Gosselin will announce on Monday that they are divorcing, a source close to the situation tells RadarOnline.com exclusively.  —  EXCLUSIVE VIDEO INTERVIEW: Kate's Brother Says “Their Marriage Is Over!”

Leighton Meester Sex Tape — XOXO  —  Spotted ... “Gossip Girl” star Leighton Meester having sex with her BF... on video.  —  We've learned a Meester tape is being shopped around town.  It was shot a few years back, and shows Leighton in mostly innocuous though nude scenes …

EXCLUSIVE: Robert Pattinson Hit By Cab!  —  Rob Pattinson is quickly learning the hazards of filming a movie in New York City - he was hit by a taxi cab on Thursday while running away from hysterical fans!  —  RadarOnline.com witnessed the Twilight star get clipped by a cab around noon …

Susan Boyle Cancels Another Concert  —  Susan Boyle canceled her Thursday performance in Liverpool - the second time she has missed a show on the current Britain's Got Talent tour, after she failed to appear on stage last weekend in Manchester.  —  “She had a rest day,” …

Katherine Heigl back at 'Grey's Anatomy'  —  Actress' option on ABC drama was picked up, sources say  —  It has been a real-life cliffhanger bigger than the one faced by her character Izzie in the season finale of “Grey's Anatomy”: Will series co-star Katherine Heigl return to “Grey's” next season?

Spencer and Heidi Pratt to Return to I'm a Celebrity ... Again  —  After several attempts to quit before officially leaving I'm a Celebrity... Get Me Out of Here! on June 8, the Hills stars are returning to the show again, Usmagazine.com confirms.  —  The newlyweds will join the entire cast …

Angelina Jolie Celebrates World Refugee Day  —  Standing ovations underscored an emotional ceremony Thursday marking World Refugee Day - with some of them led by Angelina Jolie.  The star, along with the rest of the audience, was visibly moved as they heard firsthand stories from refugees who have been relocated to the United States.

Lauren Conrad's Shocking Confession - Not So Shocking!  —  As Lauren Conrad is pimping out her new book, she is letting her mouth fly open and revealing all kinds of secrets from her former show The Hills.  —  The biggest thing she let drop this morning while on The View was that the so-called …

Neil Patrick Harris on Having Kids: Maybe Someday  —  With costars Alyson Hannigan and Cobie Smulders starting families, is How I Met Your Mother star Neil Patrick Harris next?  —  In a statement to PEOPLE, Harris, who recently hosted the Tony Awards to great reviews, didn't directly address …

Josie Bissett Returns to New Melrose Place  —  Looks like Melrose Place is getting more tenants - Josie Bissett is returning to her old haunt as a guest star, PEOPLE confirms.  —  Bissett reprises her role as Jane Andrews Mancini, sister to Laura Leighton's Sydney Andrews …

Meet the new Conan, same as the old Conan  —  By Steven Zeitchik and Nellie Andreeva  —  Kickinger, left, and Schwarzenegger as Conan  —  Lionsgate and Nu Image/Millennium, the two companies behind the Conan reboot, might have found their new Conan — and he bears striking similarities to the old Conan.

Idol Castoff Carly Smithson Hooks Up With Evanescence  —  Adam Lambert's not the only American Idol finalist to field offers about fronting an established rock band.  —  Season seven's sixth-place finisher, Carly Smithson, is eschewing a solo career and taking a stab at becoming a frontwoman …

Mickey Rourke shows off his huge pecs  —  When I go out to lunch, I have a really hard time keeping my nipples tucked in.  There is something about al fresco dining that just makes them want to join in.  Maybe it's the smell of New York in the summer (not great), the cool breeze …

LeAnn tells Dean: I want a divorce  —  Signing autographs for country music fans at the Nashville Convention Center on June 14, LeAnn Rimes looked as if there was nowhere she'd rather be.  “She looked really pretty, and she was smiling a lot,” says fan Miranda Montgomery, who was at the convention center for the CMA Music Festival.

Jennifer Love Hewitt Writing a Relationship Advice Book  —  Jennifer Love Hewitt  —  She's been romanced by the likes of John Mayer and Carson Daly, engaged to actor Ross McCall, and is currently hot and heavy with her Ghost Whisperer costar Jamie Kennedy.  Love is, after all, her middle name.