If Kendall Jenner has one, I want one. Monday Swimwear is designed by best friends and bikini babe duo Natasha Oakley and Devin Brugman who began their adventure with a blog called 'Bikini a day'. Their blog was exactly that- a site where they posted a picture of themselves every day for a year, and since then have been become international fashion designers, tv stars and models-  (why didn't I think of that!)