Sources: Husband's Alleged Affair Caused Shania's Split  —  Twain and Lange in London in 2000  —  What caused the sudden breakup of Shania Twain and her husband, music producer Robert “Mutt” Lange, after 14 years of marriage?  His relationship with another woman, say several sources.

Brad & Angelina's Star-Studded Dinner Date  —  The Jolie-Pitts left their brood at home Monday night for a leisurely dinner on the Cotes d'Azur with Clint Eastwood and Mick Jagger.  —  Brad Pitt, 44, and Angelina Jolie, 32, joined their celebrity pals and about eight other guests …

Pete Wentz on Ashlee Simpson: “We've Signed a Pre-Nup”  —  Pete Wentz is speaking out for the first time since his weekend wedding to Ashlee Simpson.  —  “We have signed a pre-nup,” the newlywed rocker admitted on Ryan Seacrest's KIIS-FM radio show Tuesday.  (Ashlee was alseep, he said.)

Ali Lohan: ‘Disgusting’ Girls Ridiculed Me At School  —  Mean girls?  Lindsay Lohan played one on the big screen.  But her aspiring-singer-actress sister, Ali, had to deal with them in real life.  —  “A little while ago ... a couple of girls in school made up a video of me and put it up on YouTube …

Britney Spears' new sex tape  —  A new Britney Spears sex tape is set to be released.  —  The footage allegedly features Britney, 26, stripping off naked apart from a pink wig, and romping with ex-boyfriend Adnan Ghalib.  —  The paparazzi photographer is reportedly trying to sell the full …

From Elf to Vamp: Newly single Liv Tyler's shocking look  —  As the beautiful elf Arwen in The Lord of the Rings, Liv Tyler was the epitomy of elegance.  —  However the actress looked anything but demure when she arrived in New York yesterday for an appearance on The Late Show with David Letterman .

Fergie Loves the Smell of Crotch in the Morning  —  There's nothing like watching Fergie first thing in the AM, simulating oral sex, hyper-shaking her bootay, doing cartwheels in poured-on pants.  —  Unless you're just getting ready to go into the eighth grade.  Then it just seems wrong wrong wrong.

Amy Winehouse marks her first wedding anniversary with a fish and chip supper (for one)  —  Troubled singer Amy Winehouse marked her first wedding anniversary to Blake Fielder-Civil with a lonely fish and chip supper after visiting her husband in prison.  —  The couple spent their anniversary apart …

LOVELORN OWEN'S PARTY CURE  —  OWEN Wilson has handled his latest bust-up with Kate Hudson a lot better this time around - by immersing himself in blondes, boobs and beer.  —  Last August, the Butterscotch Stallion, depressed and despondent, reportedly tried to commit suicide after he and Hudson called it quits.

Cameron Diaz: ‘Sex Is the Best!’  —  Nearly 18 months after her break-up with Justin Timberlake after they were together four years, Cameron Diaz is loving her view of the dating scene.  —  “Men are the best!” the What Happens in Vegas star, 35, tells InStyle for its June issue.  “Sex is the best!”

Gwyneth Paltrow Bares a Breast in Film  —  Gwyneth Bares a Breast in Film  —  You don't really think of Oscar-winner Gwyneth Paltrow as the racy type.  —  But in her new film, “Two Lovers,” which debuted at the Cannes Film Festival Monday night, she quite surprisingly bares a single breast.

HOME SUMMONS  —  NICK Cannon learned the meaning of “If you don't pay, you got no say” this weekend.  Mariah Carey's new husband was trying to have a boys' weekend at Saturday's opening of the MGM Grand at Foxwoods with pals Sean Combs and Quincy Jones when he got a call from Carey.

Penn Badgley on Blake Lively: “There's Chemistry There”  —  Penn Badgley has opened up about his romance with Gossip Girl co-star Blake Lively.  —  “Obviously, there's chemistry there,” the actor, 21, said on E!'s Daily 10.  “She's a great girl.”  —  Still, he added, “we have to draw a line …

Gwyneth Paltrow: Being a Mom May Hurt a Career  —  Gwyneth Paltrow says that taking time off to be mother to daughter Apple, now 4, and son Moses, 2, made her feel forgotten by Hollywood.  —  In Cannes to promote Two Lovers, in which she costars with Joaquin Phoenix, the Shakespeare in Love Oscar winner …