Kids' spaces in the home are particularly ripe for makeovers because their needs and interests change nearly as quickly as their shoe sizes. Here are ten of our favorite Before & After transformations of kids' spaces from the past year:

Before & After: A 24-Hour Boy To Girl Bedroom Makeover
Before & After: DIY Pegboard Headboard
Before & After: Guest Room Turned Big Boy Room
Before & After: Olivia's Kid-Friendly Patio
Before & After: Makeover of a Cozy Nook
Before & After: NYC Living Room to Kids' Room
Before & After: A Teen Bedroom Grows Up
Before & After: Drab Basement to Airy Playroom
Before & After: Back Stoop To Garden
Before & After: Unfinished Basement into "Organized Chaos" Play Space

Welcome to Apartment Therapy's Best of 2012 roundup! From December 19 through January 1 we are rounding up our favorite (and your favorite) posts from the past year.

(Images: See linked posts for full image credits)