Valerie Tyler is a 28-year-old organization freak who loves her 16-year-old sister Holly. Even if Holly is rambunctious. Spontaneous. Impulsive. Disconcerting. And definitely disorganized. Then Holly moves in with Val, and the sisters discover they may make better siblings than roomies.

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Amanda Bynes

Jennie Garth

Wesley Jonathan

Nick Zano

Allison Munn