Cast updates: Britney meets Your Mother

The apocalypse is officially upon us! Last week, television viewers all over the world let out a collective groan (actually, more likely some combination of expletives) when word spread about an upcoming guest appearance by Paris Hilton on the one-hour return of My Name is Earl.

Prepare to soap out your mouths, faithful television lovers. The oft-troubled Britney Spears is scheduled to guest star on CBS's How I Met Your Mother, according to celeb-stalking Web site Pink is the New Blog. For those who don't trust Web sites with poorly Photoshopped pictures with scribbled notes on them, the information has also been confirmed by

There's little information available other than the fact that Spears' character would have the most scenes with actor Josh Radnor, who plays Ted Mosby on the show. The blog also states that Spears' character could become a recurring character.

Elsewhere in casting land, Mila Kunis (That '70s Show's Jackie and the voice of Family Guy's Meg) will be part of the big-screen adaptation of the video game Max Payne, says The Hollywood Reporter. Kunis will star opposite Mark Wahlberg as an assassin in the film, which is about a cop who loses his family and becomes involved in a complex conspiracy.

Other notable casting announcements include Josh Cooke (Big Day, Committed) joining the pilot My Best Friend's Girl for CBS, Erinn Hayes (The Winner) has been added to Worst Week, and young actress Kay Panabaker has landed a role in the comedy Zip.

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