We’ve always loved Millie Bobby Brown’s style, but something about her vibe in the summer is just *chef’s kiss*. The Stranger Things actress promoted her brand new book Nineteen Steps in the freshest white swimsuit, celebrated her engagement to Jake Bongiovi in the cutest matching set, and now, she’s incorporating her swimsuits into her day-to-day slays in a way that’s suuuuper easy to recreate.