EXCLUSIVE: New Jesse James Mistress Revealed — Read Their Email Correspondence  —  Jesse James has led a secret life of cheating on his wife Sandra Bullock, and now RadarOnline.com has exclusively obtained emails between Jesse and mistress number 5, a sexual relationship that went from obsession to legal action.

Conan O'Brien coming to TBS … And the winner of the Conan O'Brien sweepstakes is ... TBS.  —  According to a press release sent out by the cable network (which, like CNN, is a unit of Time Warner), the comedian is joining TBS to host a late-night show that is expected to debut in November.

Mario Lopez wants ‘Extra’ beauty  —  Mario Lopez is so body-obsessed, he persuaded his beautiful girlfriend, Courtney Mazza, to undergo rigorous personal training and encouraged surgery to get her into even better shape.  —  Sources say friends of Mazza are concerned that the image-conscious …

Jessica Simpson Goes Short And Sweet  —  pics courtesy of Jessica Simpson's Twitter  —  Jessica Simpson posted the following snapshots (courtesy of Ken Paves) on her Twitter account last night, and we're not sure if it's a wig or what, but we can't imagine the pop star would chop off her luscious locks!

Josie Duggar Back in Hospital  —  After celebrating the release of their 19th child from the hospital last week, Jim Bob and Michelle Duggar had to take her back to Arkansas Children's Hospital in Little Rock on Thursday at 3 a.m., when her vital signs began to drop unexpectedly.

PHOTO: Heidi Montag Reveals New Bikini Body  —  Aside from posing in a bikini for PEOPLE after going under the knife last November, Heidi Montag said no one had seen her surgically enhanced body in swimwear.  That all changed Saturday.  —  The Hills star, joined by her husband Spencer Pratt …

Reggie to Paris: I'm Single, Let's Party!  —  Reggie Bush has been single for less than a month — and he's already partying with Kim Kardashian's arch-enemy ... Paris Hilton!  —  Bush and Hilton lets the sparks fly at Tao nightclub in Vegas this weekend — we're told Hilton's man, Doug Reinhardt, was nowhere to be found.

Jason Alexander & Christina Hendricks Show Off Their Figures (PHOTOS)  —  WHAT'S YOUR REACTION?  —  Jason Alexander and Christina Hendricks showed off their enviable figures Sunday night at the Annual Academy of Magical Arts Awards in Los Angeles.  —  Alexander, a new Jenny Craig spokesman …

‘Modern Family’ Cast Will All Compete For Supporting Emmys After Ed O'Neill Gesture  —  EXCLUSIVE: When Modern Family star Ed O'Neill submits himself this week for Emmy Awards consideration, he will do it in the Supporting Actor category, despite being the biggest name star on the hit ABC sitcom.

Kitty Kelley's new Oprah bio has plenty to talk about  —  WASHINGTON — Celebrity chronicler Kitty Kelley is doing what she often does when one of her unauthorized blockbuster biographies is about to come out.  —  She's at her Georgetown office showing a visitor a wall of file cabinets filled …

Exclusive: Green Lantern's Suit Will Be CG  —  Everyone is curious to see what Ryan Reynolds will look like in costume in the big screen adaptation of DC Comics' Green Lantern.  Production started earlier this month in New Orleans, and while the first set photos have begun to hit the web …

Could Lindsay Lohan benefit from a Tarantino career resurrection?  —  If there's one thing that Quentin Tarantino can do better than anyone else, it's resuscitate flatlining actors.  But even he may have his work cut out with Lindsay Lohan  —  A few years ago, it was fun to peg Lindsay Lohan …

‘American Idol’ exclusive: Brooke White, Justin Gaston to perform duet on this Wednesday's results show  —  American Idol season 7 finalist Brooke White and Justin Gaston, current star of the If I Can Dream web series, will perform together on this Wednesday's Idol telecast, EW has learned exclusively.

‘Jersey Shore’ Brings Seaside Heights A Fiscal Fist-Pump  —  'We can't even calculate the economic benefit,' local business exec says.  —  Seaside Heights, New Jersey, has beaches not heating up until after Memorial Day weekend begins.  —  All that has changed since the emergence of …

Ahh!  Lovers K-Stew & R-Patz Reunite in Budapest for Her Birthday!  Exclusive Details!  —  The Twilight lovebirds have had a long 42 day separation since they last saw each other!  Must have been hard!  —  Looks like K-Stew and R-Patz were thrilled to see each other again after one of their longest separations ever.

Demi Lovato Psyches Out Grey's Anatomy  —  She's been practically clawing her eyes out to meet the cast of her favorite show, and now Demi Lovato's got her chance.  When the 17-year-old Sonny With a Chance star arrived on the Grey's Anatomy set to shoot her May 13 guest appearance …

Gwyneth is an ‘Unusual’ Mom  —  Being a grandparent to daughter Gwyneth Paltrow's children Apple and Moses is “phenomenal,” says a beaming Blythe Danner, and she would “love it” if more grandchildren were on the way.  —  When Gwyneth, 37, became a mom for the first time in 2004, Blythe's only advice to her was to “love 'em.”