Katerina is a catch: Our swoon-worthy, bestselling silhouette adorned with a deep v-neckline, an accentuated waist, and buttons that cascade down the front for added everyday allure. Katerina is a catch: Our swoon-worthy, bestselling silhouette adorned with a deep v-neckline, an accentuated waist, and buttons that cascade down the front for added everyday allure.