Nicky Hilton proved the power of a sleek plaid dress at London Fashion Week. Shop a similar style from Amazon for $34!

Fashion stylist Diana Kaumba chatted with "GMA" about her viral "Granny Series" featuring her "Legendary Glamma" Margaret ...

Check out the photo gallery ahead for a look at every can't-miss outfit from the week. And for even more star style, see every major outfit of late here. John Nacion/Getty Suki Waterhouse looked ...