Alexa knows it, we know it: a nautical striped dress is a fail-proof option when it comes to nailing that desirable nonchalance — especially when paired with simple sandals and clear framed sunnies (ballet flats optional, BTW). Ever one to add a little extra oh là là to her look, Alexa has topped off her Breton stripes with a color-pop bag that we just <3. Want to try the look for yo'self? You're in luck. We've got all the elements needed to crack the casual-cool code right here on site. Check 'em out in the edit below. 

Get Jessica Alba's city chic in a pair of wide 'n' wafty palazzo pants.