This week on Instagram…Cara Delevingne and Karl Lagerfeld link up (again), Anja Rubik hits the beach, Hilary Rhoda and Coco Rocha go back to school, Karlina Caune takes a walk on the wild side, Hailey Clauson gets her face painted, Gisele Bundchen shows off her yoga body, Eniko and Anett are twins, Frida Gustavsson visits Joshua Tree and more! And in case you missed them, here are our previous Instagram roundups.