STARS' EGO TRIPS TRIP UP FLICKS  —  IT'S bad-behavior time on the sets of a trio of movies now being shot.  —  Chris Tucker, the star whose large paycheck and ego have been well-documented, has been demanding script changes in "Rush Hour 3."  —  "He won't come out of his trailer until …

Alanis Morissette, Ryan Reynolds End Engagement  —  Ryan Reynolds and Alanis Morissette have called it quits - and this time, it's official.  —  Their reps, Dvora Vener and Meredith O'Sullivan, tell PEOPLE in a joint statement, "Ryan Reynolds and Alanis Morissette have mutually decided to end their engagement.

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.

Jennifer Lopez Says She Wants 'One or Two' Kids  —  Jennifer Lopez wants children - but not too many!  —  In an interview on The Ellen DeGeneres Show airing Friday, the host asks the singer-actress-designer, "Do you want kids?"  —  "Yeah, I do," says Lopez, 37.  "I absolutely do."

Katie Holmes: I Love Calling Tom 'Husband'  —  In her first sit-down interview since her November wedding to Tom Cruise, Katie Holmes reports on married life - and, no surprise, the news is good.  —  "I have a husband and children that I adore.  I have a career that I really love.

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.

NEW SET OF LIPS  —  IT looks like Mary-Louise Parker has split from her "Weeds" co-star Jeffrey Dean Morgan.  Page Six spotted Parker and Morgan last December looking very much together at Soho House, but they were seen arguing last week at Nobu Next Door.  "She was trying to hold his hand and get his attention," said our source.

Britney Groveling to Get Back with K-Fed?  —  Britney Spears has been making late-night phone calls to K-Fed in hope of a reconciliation, so say several of Kevin's close peeps.  They tell TMZ that Britney's relationship with Isaac Cohen is a ruse to make Kevin jealous.

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.

Matt Damon in Berlin - RGS exclusive  —  Melanie just sent me as promised some more set photos from "The Bourne Ultimatum" film set in Berlin.  It turns out that Melanie is not just an awesome graphic designer but also a natural born paparazzi.  —  Cute hear muffs by the way

Nicole Richie Will Not Be Pleased  —  Mandy Moore, who is dating The Simple Life star's former fiance DJ A.M. gave this juicy quote to the new issue of Seventeen magazine:  —  "Oh, God!  I tell you what: In this industry it's my job to look a certain way or whatnot - and it's' weird for men too.

Tommy Lee Gets Flirty and Brags About His Man-Lingerie Line?  Wha...?  —  Ah, Tommy Lee, still using those Middle school flirting techniques that were he not a rock star with an big ol' penis and bank account, might not be so successful in the real world.  The New York Post says that Lee …

Britney's Got Some Baby Phat  —  There is hope for Britney's wardrobe after all!  Sources confirm to Usmagazine.com that Britney Spears is in New York and plans on attending the Baby Phat fashion show Friday night as part of Mercedes-Benz Fall 2007 Fashion Week.

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 …

Sam-Whore-A Shows The Goods in Maui  —  Ok so if you're tired of seeing the youthful crotches of the likes of Britney Spears and Lindsay 'Firecrotch' Lohan then how about the used and abused crotch of 35-year old MILF Denise Richards?  I know it's not quite the 'Full Frontal' variety that Brit …

'Don Vito' Margera hit with sex charge  —  GOLDEN, Colo. - Reality television's Vincent "Don Vito" Margera, uncle of "Viva La Bam" star Bam Margera, was ordered Thursday to stand trial on felony charges that he groped three girls at an MTV promotional appearance.

It's Official!  Roth to Rejoin Van Halen  —  Break out your spandex pants, start practicing your karate kicks; David Lee Roth is officially returning as the front man for Van Halen.  —  Founding band member Eddie Van Halen made the first official announcement to TMZ, saying …

X17 XCLUSIVE: Rehab's Going "Fantastic"!  —  Lindsay Lohan's taken a lot of flack for her behavior during her stint in rehab, but from everything we've seen, she's really committing herself.  In fact, we just spotted her outside the Coffee Bean a little while ago on one of her breaks from Wonderland …

Charlize Theron Surprises Hollywood, Again  —  The Oscar-Winning Actress Is Out With a New Documentary  —  The world has learned to expect the unexpected from Charlize Theron.  —  Now, the Oscar-winning actress has stepped from in front of the camera to behind it.