Leighton Meester links arms with her super stylist Logan Horne at the Louis Vuitton ready-to-wear fashion show at Cour Carree du Louvre on Wednesday (October 7) in Paris, France.

Later this month, the 23-year-old actress will release her new single called “Somebody To Love” (a duet with R&B crooner Robin Thicke).

It’s rumored that Leighton’s queen bee character Blair Waldorf may also be involved in the much-buzzed-about Gossip Girl threesome.

• Lauren Graham may be joining the cast of Parenthood
• Michael Lohan wants his daughter to get help
• Selena Gomez: My mom gets hit on more than I do
• Kate Beckinsale is ripped
• Tom Cruise goes on campus at Harvard
• See which former *NSYNCer is in the ring
• The Ugly Betty cast has a blast on waterslides
• Mel Gibson’s drunk driving conviction has been cleared from his record
• Ben Affleck is packing heat on the set of The Town
• Newlywed Khloe Kardashian goes shopping at the Apple store
• Elvis Presley’s 17-year-old grandson Ben Presley has been offered a $5 million deal by Universal Records to release five albums – and he’s hard at work recording songs.
• Alex Rodriguez and Kate Hudson giggled and lovingly stared into each other’s eyes over lunch at Serafina on 61st Monday. The Yankee slugger was also seen kissing Kate’s hand. Meanwhile, she was snapped modeling a wedding gown on Avenue A on Houston Street yesterday for an upcoming Harper’s Bazaar spread.
• Madonna and Lady Gaga had a dance-off at SoHo spot Submercer on Sunday night, a day after squaring off in an SNL skit.

Natalie Portman doesn’t stop on the red carpet and rushes into the the Broadway opening night of Hamlet at the Broadhurst Theatre on Tuesday (October 6) in New York City.

The 28-year-old actress came out to support Jude Law, her co-star in the 2004 drama romance Closer.

Also spotted in the audience: Barbara Walters, Gossip Girl’s Ed Westwick, True Blood star Rutina Wesley, former Frasier star David Hyde Pierce, former Alias star Victor Garber, and director Sam Mendes (Kate Winslet’s husband).

Jude Law attends the after party for the new Broadway production of Hamlet held at Gotham Hall on Tuesday (October 6) in New York City.

The 36-year-old actor took his curtain call at the Broadway opening night of Hamlet at the Broadhurst Theatre. Opening night attracted stars including actress Natalie Portman, Gossip Girl actor Ed Westwick and director Sam Mendes.

Last week Jude appeared on Late Night with Jimmy Fallon, dueling Jimmy Fallon in a sword fight.

20+ pictures inside of Jude Law’s opening night and curtain call…

• Beyonce comments about Kanye West’s actions
• Kevin Jonas likes to plan his own wedding
• Don Draper is the most influential man of 2009
• Ashley Greene likes wearing black bikinis
• Noah Cyrus loves Frankie Jonas
• Tom DeLay will announce he’s quitting DWTS
• Rihanna always wears something unique
• 5 Celebrities who’d look awesome with beards
• Carrie Underwood will perform and co-host the 2009 CMA’s
• Lily Allen changes her style for Fashion Week
• Brian Littrell apologizes to fans in a video
• Videos of celebrity car accidents
• Elizabeth Taylor is headed for heart surgery

Gerard Butler is in a jovial mood at the premiere screening of Overture Films’ Law Abiding Citizen held at Grauman’s Chinese Theatre on Tuesday (October 6) in Los Angeles, Calif.

The 39-year-old Scottish stud said at the premiere that, “sometimes I get really worked up before these premieres, but today I’ve been really relaxed, because this is my movie. I produced this, and I’m in it, and I’m so excited and I want to just enjoy it,” Gerard told ET on the red carpet.

Gerard is currently supporting of The Elephant Project, an organization to raise money and awareness for the Alzheimer’s Association.

30+ pictures inside of Gerard Butler premiering Law Abiding Citizen…

Rachel Bilson goes shopping at Target for Halloween gear with half sister Hattie Bilson, stepmother Heather Medway and toddler half sister Rosemary Bilson in search of a costume and other items on Tuesday (October 6) in Glendale, Calif.

The 28-year-old actress has been cast in the 100th episode of How I Met Your Mother, it was reported last week. Also on the episode will be Project Runway mentor Tim Gunn.

On Monday, Rachel was spotted at the modern office building Tribeca West in Santa Monica, Calif.

10+ pictures inside of Rachel Bilson having family fun…

Adam Lambert wears a fun black and gray blazer as he leaves a medical center on Tuesday (October 6) in Los Angeles.

The 27-year-old American Idol vet just released this message on his official website: “As if there weren’t already enough reasons to love Adam, we’ve just brought you more! To tide all of you ravenous Glamberts over until his album is released, we’ll be featuring Adam’s response to a new question we pitch him every day in our upcoming ‘Question of the Day’ video series! These daily videos will premiere tomorrow, so stay tuned!”

Adam also just tweeted this: “Tokio Hotel album [Humanoid] is out too!!! Love them Germans!”

Mad Men actress January Jones attends the pre-race ceremonies prior to the NASCAR Sprint Cup Series Price Chopper 400 at the Kansas Speedway on Sunday (October 4) in Kansas City, Kansas.

During the event presented by Kraft Foods, the 31-year-old blonde beauty was seen greeting Dale Earnhardt Jr., driver of the #88 National Guard/AMP Energy Chevrolet.

January was just in Washington, D.C. garnering support for the Shark Conservation Act.

Mad Men continues this Sunday (October 11) with a new episode airing @ 10PM ET/PT on AMC.

The Mummy actress Rachel Weisz attends the Agora premiere at Kinepolis Cinema in Madrid, Spain on Tuesday (October 6).

The 39-year-old actress was ravishing in a red Prada dress, shoes and clutch.

Spanish director Alejandro Amenaba gives Rachel a peck on the cheek and she returns the favor!

Rachel stepped out for a night on the town on Monday in a cute birdie dress!

20+ pictures inside of Rachel Weisz looking ravishing in red…