I’m willing to bet I’m not the only one who’s a little bit obsessed with J. Crew president and creative director Jenna Lyons’ killer personal style. Her effortlessly layered looks and quirky, slightly tomboy-ish, mix and match approach to dressing has made her a bonafide style icon yet while she’s often revered for her fashion choices, I’d argue that her decor style is equally enviable. Jenna even once said in an interview that if she wasn’t working in fashion she’d probably be an interior designer! Not only does she live in an uber-cool Brooklyn brownstone which she decorated herself, (see …