If you want to know the August nail ideas that will trend this month, we've got you covered. And, to keep things interesting, one of last summer's surprise smash hits has made an unapologetic return...Mid-wash blueYou can trust in Hailey Bieber to sign-off on the trending manicure shades to know. Off the back of her recent jeans collab with Gap, Hailey is obviously feeling inspired, having swapped out her go-to glazed mani for a mid-wash denim blue. It's a clever choice that works now, alongside the mediterranean blues we've seen trending over Euro Summer (Hailey's on her European vacay as we speak), but the transitional shade can carry through into autumn, where we expect so see it continue in popularity. Her manicurist, Zola Ganzorigt, dropped the details, name-checking OPI Blue Them All Away.