Liv Moore will have a little voice in her head during iZombie's "Fifty Shades of Gray Matter," and the EL James-esque narrative will be provided by none other than Veronica Mars's Kristen Bell.

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Bell's reunion with series creator Rob Thomas was announced last month, and new details continue to spill out as the Feb. 2 episode approaches. Although some fans may be disappointed that Bell's roll doesn't actually put her on screen, the actresses' voiceovers will undoubtedly have you in stitches.

Liv (Rose McIver) will chomps down on a librarian's cranium, especially when she learns that the unassuming young lady was moonlighting as an erotic fiction writer. As the episode wear's on, our undead investigator will suddenly have a little Fifty Shades running through her mind.

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"It was particularly amusing knowing that Rob had written things like, 'heaving breathing pressed up against the cold plastic of the airplane door,'" Bell teased, according to TV Insider. "It was bizarre and I was so happy to be a part of it."

Tune in to The CW next Tuesday at 9 p.m. ET to see what iZombie has in store.

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