Whether you’re planning a romantic Valentine’s weekend away or road-tripping with your girls, packing for just two days is no easy feat. What if the weather does a dramatic 180? What if you’re tricked into doing a hike? How will you fit all your stuff in one small bag? All valid questions! Which is why we’ve sought answers from casual queens Solange Knowles, Jess Hart and Doutzen Kroes. Follow our ultimate carry-on guide below and don’t forget to pack your toothbrush.