• While promoting their new film Blue Valentine in Cannes, Michelle Williams and Ryan Gosling have been holding hands at various parties and red carpet events. Now a source who worked on the film says they're together.

• Glee creator Ryan Murphy wants people to boycott Newsweek for publishing an article on gay actors playing straight, "until an apology is issued to... brave out actors who were singled out in this damaging, needlessly cruel, and mind-blowingly bigoted piece."

• In an interview that airs tonight on Extra, a dermatologist's assistant named Jason Pfieffer claims he had a"passionate and sexual" relationship with Michael Jackson to the day he died.

• Nicolette Sheridan is suing her former employer, Desperate Housewives creator Marc Cherry, claiming he physically abused her on the set.

This particular WTF comes in the form of a video game launch: 'Tom Clancy's Splinter Cell Conviction' launch at L.A.'s Les Deux. The weirdness is compounded by a rogue's gallery of guests — and did we mention Bai Ling?

Today in Tweet Beat, Kelly Bensimon kicks it with The Situation, André Leon Talley approves of Nancy Pelosi's fashion sense, and Mariah Carey goes swimming with puppies.

• Amy Winehouse is planning to re-marry Blake Fielder-Civil, whom this paper calls her "junkie ex."

Today in Tweet Beat, Lily Allen and Courtney Love address their skirmish at the NME awards, Holly Madison gets her Playboy bunny tattoo removed, and Audrina Patridge is taking acting classes.

• At a NME Awards party last night, Courtney Love and Lily Allen were chatting when suddenly things, "turned really nasty, really aggressive and bitchy," according to a witness, and the two had to be pulled apart by their entourages.

• Pornstar/Tiger Woods mistress Joslyn James watched his apology live today at a press conference with lawyer Gloria Allred. James said she still wants, "An apology, one that was meaningful and that meant something, and I didn't hear none of that..."

Today in Tweet Beat, Nicole Richie has scents of humor, Jason Reitman is a little bit brag-y, and celebs like Kim Kardashian and Kendra Wilkinson tweet about the Super Bowl.

• Mischa Barton has been filming a guest spot as a hooker on Law & Order: SVU, and a source says her one scene took 10 hours.

Today in Tweet Beat, Perez attempts to post a revealing picture of Jersey Shore's Snooki but fails, Mary Carey is worried about Celebrity Rehab cast member Jeff Conaway, and Audrina Patridge is Tweeting and driving.

• Don't cry for Conan O'Brien. Sources say NBC is giving him a $32.5 million severance package. In return, Conan can't host another show until September and NBC gets to keep his characters, including Triumph the Insult Comic Dog.

[Los Angeles, January 13. Image via WENN]

Today in Tweet Beat, Christina Applegate gets cheesy about body image, Joan Rivers snarks Sophia Loren's plastic surgery, and Snooki loves the mall.

Today in Tweet Beat, Ashton Kutcher, Kathy Najimy, Rose McGowan and many more express their grief on Twitter, Moby lives next door to crackheads, and Michael Lohan opened an official account on the advice of his attorney.

Today in Tweetbeat: the awesome Emma Stone returned to Twitter today, Leighton Meester wishes "27 year old straight men" would come to her concerts, and Margaret Cho is looking for bears. (Presumably, the gay dude kind.)

• A photo has surfaced of Jessica Simpson out with Billy Corgan of the Smashing Pumpkins on Friday night. A source says they're "officially dating... she has fallen hard and is smitten."

• Rihanna made fun of Tila Tequila on a radio show, so naturally, Tila's only option was to claim that Rihanna has herpes and declare that she's now on "Team Chris."