EXCLUSIVE: Ashlee Simpson Is Pregnant  —  Ashlee Simpson is pregnant, a source confirmed to Usmagazine.com.  —  The singer, 23, is expecting her first child with fiancé Pete Wentz, 28.  —  Simpson and the Fall Out Boy frontman announced their engagement Wednesday.

HARDCORE MARILYN  —  FBI'S MONROE SEX FLICK SOLD FOR $1.5M  —  Some really like it hot.  —  In the sordid tradition of peddling raunchy video footage of celebrities a la Paris Hilton, a long-buried sex movie of Marilyn Monroe recently hit the market, a top collector told The Post.

Lindsay Lohan's dad pops off at his ex  —  Lindsay Lohan hasn't bothered to see her grandmother since she was in a serious car accident last month, her father claims.  —  Michael Lohan reveals that's one of the reasons he's reopening his divorce case with ex-wife Dina.

Oops!  The moment Sienna Miller's bikini malfunction left her showing a bit TOO much  —  The surf was up in California yesterday, but unfortunately for Sienna Miller, she was caught with her skimpy bikini top down.  —  The actress revealed more than expected as she eagerly raced into the waves …

Hayden Panettiere: Hollywood success has made me a recluse  —  Heroes actress Hayden Panettiere has confessed becoming a mega-star has turned her into a virtual recluse.  —  'I don't ever go out,' she says, of her life in Hollywood, where she drives everywhere to avoid being recognised on the street.

David Cook's Ailing Brother Will Attend Idol Shows  —  American Idol contestant David Cook will have a very special guest in the audience Tuesday and Wednesday night — his brother Adam Cook.  Adam, 36, is suffering from brain cancer.  —  A FOX spokesperson declined to comment …

Melo Busted for DUI  —  NBA star Carmelo Anthony was arrested on suspicion of DUI early this morning.  —  The 23-year-old Denver Nuggets forward was driving on Interstate 25 in Colorado at around 4:00 AM when he was pulled over and taken into custody.  Anthony was driving a silver Mercedes …

Heather Mills' wonky cleavage scores low marks as she's booed at Miss USA pageant  —  She's not exactly Miss Congeniality, and if there were a Miss USA Pageant category for fabulous cleavage, Heather Mills would have been passed over for that sash too.  —  The former model's overzealous attempt …

Superstar Mariah Carey  —  She just made history.  Now, superstar Mariah Carey is here!  How she transformed her body.  Plus, a premiere performance you'll only see on Oprah's stage.  —  Check back later for full coverage of this show!  —  Related Resources  — Oprah's Big Give airs Sundays on ABC at 8/7c.

Posh's denim line gets dumped  —  Victoria Beckham may have designs on being a designer, but her latest foray into fashion has just been given the heave-ho by Fred Segal and Kitson.  Posh's dVb denim range is being dropped due to poor sales and a lack of promo work from the Spice Girl herself.

RoL2's Ambre Lake and Daisy De La Hoya Topless Photos (NSFW)  —  Posted in Bret Michaels, Celebreality, NSFW  —  Ambre Lake won Bret Michaels' heart on last night's finale of Rock of Love 2 on VH1.  Check out photos and the recap of the finale here!  —  Now, the Post Chronicle has found naughty …

Kim K: I'm A Rich Bitch, You're Just a Valet  —  How dare a valet keep Kim K waiting for her Bentley.  And how dare he suggest she drives a Mercedes — that's like a Honda Civic for filthy rich folk.  —  The Tush threw a hissy fit outside boulevard3 last night — berating the valet …

Wino With Child (And A Vodka Shot)  —  Why didn't I have babysitters like this?  My babysitters were always boring old ladies who didn't even let us watch PG-13 movies.  Wino would be the best babysitter.  She'd let you do a few lines, smoke crack and snort vodka through your nose.  Awesome!