Shop the Blue Eyeshadow and Nail Polish Trend From the Spring 2013 Fashion Weeks With OPI, Dior and Lancome

There's no ignoring this beauty colour trend: blue. There's the countless blue eyeshadow looks we've seen at the Spring 2013 shows — from Alice + Olivia to Anna Sui, Monique Lhuillier and Jenny Packham — not to mention the celebrity red carpet adaptations we noticed yesterday at the Emmy Awards on stars including Nicole Kidman and January Jones. Even Versus went with a bright blue eye at Milan fashion week over the weekend, as did Moschino Cheap & Chic in London the week before. Then there's the blue nail colour offerings from top brands including Orly and OPI that have us in a seriously polished spin. So from turquoise to the deepest of the deep, blue sea — are you ready to get a little moody?