Your pop culture cheat sheet

Here's what's going on in the world of entertainment today:

• He's written about the White House; now he's taking on Facebook. "West Wing" creator Aaron Sorkin's script for "The Social Network," about the founding of the popular Web site, is moving forward as a movie. The stars attached are Justin Timberlake, Jesse Eisenberg and Andrew Garfield, according to Variety. David Fincher ("The Curious Case of Benjamin Button") will direct.

• Variety reports that Oscar winning screenwriter Diablo Cody will adapt the "Sweet Valley High" book series for the big screen. The books were previously turned into a TV series in the mid-1990s.

• J.J. Abrams, best known for "Lost" and the recent "Star Trek" movie, will try his hand at comedy next, according to The Hollywood Reporter. He will be the executive producer on a "comedic medical show" for the Fox network. Few details are known beyond that, such as how much it might differ from ABC's "Scrubs."

• Britney Spears' ex-husband Kevin Federline is set to appear on VH-1's "Celebrity Fit Club," according to People. Look for it in February of next year.

• It's a girl for Sarah Michelle Prinze (formerly Gellar) and husband Freddie Prinze, Jr. Charlotte Grace Prinze was born to the couple on Saturday, People reports.