Lindsay Lohan Backs Out of Upcoming Movie  —  Lindsay Lohan, who entered rehab last month, has backed out of an upcoming movie, A Woman of No Importance, her rep confirms to PEOPLE.  —  "She doesn't want to just yes everyone and compromise herself anymore," says her publicist, Leslie Sloane.

Patrick Dempsey & Wife Welcome Twin Boys  —  Patrick Dempsey and wife Jillian welcomed twin boys on Thursday, PEOPLE has confirmed.  —  The twins, named Darby Galen and Sullivan Patrick, were born in Los Angeles.  They join 4-year-old sister Talula in the Dempsey household.

Johnny Knoxville Separates From Wife  —  Johnny Knoxville's rep confirms to Usmagazine.com that the Jackass star is calling it quits on his marriage.  "They have been separated," Amanda Silverman, Knoxville's rep, tells Us.  —  Knoxville, 35, and his wife Melanie have been married since 1995 …

Katie Holmes: 'I Am Very Grateful'  —  Actress Speaks Out in First Interview Since Marrying Tom Cruise  —  When recounting her husband, her daughter and her career, 28-year-old actress Katie Holmes is filled with gratitude.  —  That's what she told Harper's Bazaar in an exclusive, first interview since her marriage to Tom Cruise.

ET Exclusive: Lindsay's Rehab Reunion  —  Lindsay Lohan's mom Dina dispels rumors about her daughter as we join her on a trip to see the actress.  —  As a Hollywood mom, DINA LOHAN could sit back and watch the frenzy going on around her daughter, but instead, she's choosing to fight …

Roseanne's Sara Gilbert Expecting Second Child  —  Roseanne actress Sara Gilbert and her partner, TV writer-producer Allison Adler, are expecting their second child, PEOPLE has confirmed.  —  Gilbert, 32, is carrying the child, according to her rep.  —  Adler, 39, gave birth to their first child, son Levi Hank, in October 2004.

Fergie: I'm Not Engaged - Or Pregnant  —  Fergie wants to set the record straight, again: She and her boyfriend, Las Vegas star Josh Duhamel, are not engaged.  —  "I've heard that I've been engaged probably about seven times, and pregnant, but I've never been either," she told reporters in Miami on Thursday.

Paris vs. Tara — Who Sucks More in Bed?!  —  "Girls Gone Wild" creator Joe Francis went on Howard Stern yesterday dishing about his sexual conquests — which he rated both good (Paris Hilton) and bad (Tara Reid).  —  When Stern asked Francis who gave the best oral sex, he responded …

Ashes of Angie's Mom To Be Scattered  —  British tabloid The Daily Mirror reports that Angelina Jolie will take Brad Pitt and her family to scatter her mom's ashes in the Bahamas.  (Marcheline Bertrand, 56, died last week from ovarian cancer.)  —  Their source says: "It was one of her favorite places …

Chapman film: Imagine there's no audience  —  'Chapter' and Vs.: Jaret Leto and Lindsay Lohan star in the controversial movie.  —  John Lennon fans are calling for a boycott of a movie about his killer, Mark David Chapman, even as producers left Sundance without a distributor.

Taco Bell Offers K-Fed A Job  —  Taco Bell's president has made public an open letter to Kevin Federline, offering the man who seems to suffer from chronic underemployment a job—at least for an hour.  The claim being made is that free food will be given to any customers who show …

Britney & Kevin Play Nice (For Now)  —  Though they have yet to finalize their divorce - and the crucial financial settlement - Britney Spears and Kevin Federline have come to an agreement regarding the custody of their two boys, Tater Tot and the still-in-hiding Small Fry.

Amanda Bynes Involved in Car Wreck  —  TMZ has learned that actress Amanda Bynes was one of the drivers involved in a multiple car collision in Beverly Hills last night.  —  Police quickly responded to the scene, but no injuries were reported.  The crash brought rush hour traffic …

Victoria Beckham's Skinny Model Ban  —  Victoria Beckham has banned size zero models from promoting her denim fashion label because it creates the wrong image.  The ex-Spice Girl, who has in the past been nicknamed 'Skeletal Spice' on account of her small frame, has instead hired voluptuous …

VIDEO: Tyra Banks Stands Up to Critics of Her Weight  —  Tyra Banks has a message for the critics who have recently poked fun at her figure: "Kiss my fat a—."  —  In front of the studio audience at The Tyra Banks Show, she struts her stuff - wearing the same bathing suit that prompted tabloids …

Rebecca Romijn Is Definitely Not Ugly  —  As if getting Salma Hayek to take her top off and show the world her magnificent breasts wasn't enough, the geniuses behind Ugly Betty just gave you another reason to watch their show.  The extremely underrated Rebecca Romijn has just joined the cast …

Sienna Kicks Ass in 3" Heels  —  Sienna Miller kicked up her heels yesterday — to let a photog have it!  —  The "Factory Girl" star was headed into a NYC building when she was ambushed by flashes, but instead of her usual smile and duck technique, Miss Miller opted for a camera shove perfected by her ex, Jude Law.