It's very gentle on the skin. Ahead, shop our favorite Eras Tour outfit ideas with styles from brands like Nasty Gal, Amazon, Net-a-Porter, and Reformation, among others. Forget diamonds: shoes are a girl's best friend. There are endless styles to choose from, and often, a good pair of shoes is the piece de resistance of any good outfit. Bottega Veneta, under the creative direction of Matthieu...