The biggest change to the room is the addition of a wood paneled wall which adds a ton of character. The sophisticated grey and orange decor is mature, but still youthful. And, Chris isn't even done yet, this is just her first "reveal" of the room.
To really appreciate the transformation, check out the before photos (of a perfectly nice, but younger-feeling room) on her blog, Just a Girl, as well as read about the making of the wood pallet wall in two parts part 1 and part 2 (and, yes, she's aware of the controversy about using pallet wood in the home).
(Image: Just a Girl)