This Week on Instagram…Kate Moss and Naomi Campbell reunite in Ibiza. Emily Ratajkowski shares (a lot) with her followers. Models are still obsessed with the World Cup. Gigi Hadid looks good in a bikini. Karlie Kloss is a nature girl. Stella Maxwell spreads her wings. Natasha Poly shows that you just need a towel to look good, and much more! Make sure to catch up with our other Instagram roundups, in case you missed them.