Why are all the It girls wearing the Kiini bikini this Summer? On this week's episode of We Spy Style, Marianna Hewitt, Mr. Kate, and I investigate these colorful crotchet suits that claim to unleash positivity and have been appearing in the Instagram feeds of stars like Hannah Bronfman and Dree Hemingway. Plus, we talk about how Princess Sofia of Sweden is the new royal obsession, old-man chic, and five Summer trends you have to buy now.