Rebecca Romijn and Jerry O'Connell Expecting Twins!  —  Rebecca Romijn and Jerry O'Connell will soon be on double diaper duty.  —  Us Weekly has learned that Romijn, 35, and O'Connell, 34, are expecting twins this winter.  —  A spokesman for the couple confirmed the news Monday morning.

John Mayer Talks Sleeping Arrangements - While Jen Looks On  —  It's official: Jennifer Aniston is a John Mayer groupie.  After trekking with him to shows in Michigan, Wisconsin and St. Louis this month alone, she put in another low-key appearance Sunday night in Irvine, Calif.

Ryan Seacrest: “I Was Bit by a Shark!”  —  So much for a relaxing trip to the beach.  —  On his KIIS-FM radio show Monday, Ryan Seacrest said he decided to take a dip in the ocean over the weekend when, he said, “I was bit by a shark!”  —  See more photos of stars at the beach.

Speidi Leaving ‘The Hills?’  —  Reality TV stars Heidi Montag and Spencer Pratt hit up Kitson boutique to promote Montag's clothing line “Heidiwood Club Line by Anchor Blue.”  Now, the couple is opening up about moving out of Tinseltown.  “I need a break from the drama,” said Spencer.

Bikini Britney tangos poolside with a mystery man in Mexico  —  With her custody drama with Kevin Federline finally over, Britney Spears is back in shape and ready for fun.  —  The pop star escaped to Cabo San Lucas in Mexico for a sunshine holiday with a group of friends …

‘Informant’ star Matt Damon blabs about weight, kids, charity  —  For Matt Damon, this summer has been one of gains and losses.  —  He's preparing for the birth of his second daughter, helping launch a charity and hoping for some major reductions around his waistline.

TRUE ‘GOSSIP’  —  REAL-life lovers Penn Badgley and Blake Lively are heating up the set of “Gossip Girl.”  “It's gotten crazy, they are all over each other after every single take,” said one spywitness.  “They're constantly making out, and it's making everyone uncomfortable.”

Samantha Ronson: Ali Lohan's Single Is ‘Great’  —  Samantha Ronson (left) and Ali Lohan  —  Talent runs in the Lohan family - just ask Lindsay's constant companion, Samantha Ronson.  —  The DJ took to her MySpace celebrity blog Sunday to announce that Ali Lohan's new single, “All The Way Around,” is just plain “great.”

Rihanna and Chris Jet Ski While Forever's Truth Comes Out  —  Rihanna and Chris Brown continued their tour of the Mid-Atlantic region over the weekend.  After last week's trip to King's Dominion amusement park, the duo were jet skiing in Maryland on Saturday.

Actor Shia LaBeouf arrested in Hollywood on suspicion of drunk driving  —  The ‘Indiana Jones’ actor and two other people were injured in a collision early Sunday.  —  Actor Shia LaBeouf, who starred as a motorcycle-riding greaser in the latest “Indiana Jones” film, was arrested on suspicion …

Cops to Shannen Doherty: 9021Who  —  That new “90210” show can't come along fast enough for Shannen Doherty.  —  We know Shannen went to the Sheriff's Department in Lost Hills (Malibu) to complain about paparazzi following her.  The cops who talked to her were baffled ... because they had no idea who she was.

Panettiere strips for ‘Heroes’ lover  —  Hayden Panettiere apparently performed a birthday striptease for boyfriend Milo Ventimiglia on the set of Heroes.  —  Panettiere reportedly ripped off a Velcro-lined version of her cheerleader outfit to reveal red lingerie while serenading Ventimiglia, who had turned 31.

Airbrushing?  No cans do, Keira says  —  Keira Knightley's bosum was enhanced in photos for 2004's ‘King Arthur.’  —  We'll always have “King Arthur.”  —  Keira Knightley has refused to allow any enhancement of her cleavage on publicity photos for her upcoming movie, “The Duchess,” Britain's Daily Mail reports.

Exclusive: Rosie's New Show  —  We know a little bit more about Rosie O'Donnell's potential new show for NBC.  This is thanks to our pals at the network and not Rosie, who's keeping mum on all news this time around.  —  What I'm told is that Ben Silverman and Jeff Zucker like the idea …

Loved-up Naomi Campbell sets sail with her billionaire beau  —  She's notorious for her fiery temper, but yesterday Naomi Campbell put her tender side on show during a romantic cruise with billionaire Russian Vladislav Doronin.  —  The supermodel, dressed in a black string bikini …

Kelsey Grammer Hospitalized  —  Swing Vote star Kelsey Grammer has been hospitalized in New York.  —  “Kelsey felt faint last night so he went to the hospital to have things checked out,” his rep tells Usmagazine.com.  “They are altering his medications.”  —  He is expected to be released Tuesday, his rep adds.