Many of us determine what to bring as we sift through our closets, resulting in a dozen extras we don't really need. Instead, create your packing list from memory, says Brooke Anderson, a globetrotting correspondent for Entertainment Tonight
. Your biggest space-saver? Bring just one pair of shoes
's creative director Adam Glassman recommends collapsible flats—they work for dressy and casual outfits. As for the toiletries bag, Anderson uses one 3-ounce bottle of Argan oil instead of conditioner, lotion, face cream and cuticle oil—it's a moisturizing multitasker.