Inspiration: Adam Levine's Dark and Handsome Allure
In March's Architectural Digest, the "Moves Like Jagger" crooner showed off his dark-walled bedroom, which is just as sexy as he is. House recommends starting small by painting just one wall of your room in a moody shade that fits your personality. "You can even paint a large canvas with the hue and hang it up. It's very Rothko," she explains.