Today's news you might've missed:

• So much for "Up All Night" - just as the NBC comedy is working to restructure itself, Christina Applegate has departed the series. [Deadline]
• Gisele Bundchen and Tom Brady created a world of cute when they brought daughter Vivian Lake. See the super sweet photo at the link. [Gisele's Facebook]
• Call it the Revenge of Greendale: "Community" returned to higher ratings on Thursday, matching last week's "30 Rock" finale. [EW]
• If Justin Bieber gets his way, there'll be a feature film of each of his concert tours in theaters for at least one wekeend for the rest of his career. [MTV]
• But in the meantime, the 18-year-old is getting ready to host "Saturday Night Live" (in the middle of a massive storm, no less). Is he the sketch comedy's new Justin Timberlake? [The Atlantic]
• LeAnn Rimes is looking "curvier" lately, so we hear. [Us Weekly]
• Not wholly surprising - what doesn't "Girls" have an influence on? - but the HBO show is having a greater influence on the Hot 100 than one-time major music seller "Glee." [Billboard]
• Katy Perry and John Mayer aren't going to couple up for the Grammys, but that doesn't mean Perry's going solo. She's tapped "Girls" star Allison Williams to be her date. [People]