Jennifer uses her scarves on a flight as a sort of armor — she wraps them around and around her neck and even uses them to hide her face from the paparazzi. Of course, we don't all have that same issue, and as Jennifer proved at LAX in August 2013, lightweight linen scarves in pretty shades can also be used to brighten an outfit. If you're headed someplace warm, style it again later with a bikini or tie it around your tote bag during your trip.