This week on Instagram…Isabeli Fontana goes horseback riding. Anne V loves New York. Frida Gustavsson has swag. Anja and Joan have some fun. Gigi Hadid shares behind the scenes. Doutzen makes an announcement. Irina Shayk and her beau Cristiano Rinaldo pose for Mario Testino. Angela Lindvall gardens in Chanel. Toni Garrn works out and more! See our previous Instagram roundups for even more model images.