Photo: via @beautyby.mirandaa There’s something about a summer haircut that feels transformative — a chance to shed the heaviness of seasons past and emerge feeling lighter, brighter, and fresher. But when trends are a dime a dozen , where do you even start? We're willing to bet you've already pinned a bob — or several iterations of it — to your inspiration board. Then there's the shag, back in all its mussed-up glory, not to mention the ’90s-inspired layered haircuts currently taking over Instagram. To help narrow down the options, we asked leading hairstylists from London to Los Angeles to identify the 12 haircut trends they predict will be everywhere this summer and beyond. If you're struggling to decide, consider this your starting point. Advertisement ADVERTISEMENT The Soft Flick Bob Celebrity hairstylist Lorraine Dublin cites Raye as the ultimate inspiration behind this retro bob, which is rapidly making its way into salons.…