Kristen Bell has another reason to be emotional today -- but this time, it has nothing to do with her love of sloths.

PHOTOS: Kristen and other stars' TV comebacks

Showtime renewed the 31-year-old actress' freshman series, House of Lies, for a second season on Wednesday. The show, which also stars Don Cheadle, is one of the network's highest-rated programs after just four episodes.

VIDEO: Kristen Bell flirts with fiance Dax Shepard

Shameless, starring William H. Macy and Emmy Rossum, was also renewed for a third season, while Californication, starring David Duchovny, will return for a sixth season.

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"These three shows are clearly resonating with audiences as evidenced by their steady growth on Sunday nights," president of entertainment David Nevins says in a statement. "We are extremely pleased with the creative work being done by the casts, producers and writers -- and I so appreciate that each of these series has such a clear and distinctive voice."

Tell Us: Which Showtime series is your favorite?

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