it's not a bowtie, it's not a skinny necktie, it's a refreshing alternative. get some ribbon, tie it around the collar of your shirt in a distinct bow, and you're good to go. you can achieve the same look with a scarf or a tie-neck blouse, like this one from marc jacobs' latest offerings at shopbop.com:
another clever little way to incorporate a bow is to use some ribbon in place of a waist belt like elie saab did as part of his spring '08 collection:
experiment away with different colors, sizes, and lengths, and have fun sprucing up your outfits this spring!