Bank Holiday weekend is shaping up to be a scorcher, which means Britain’s beaches, lidos and paddling-pool-filled gardens are about to be packed. And while bikinis will always have their place, there’s something reassuring about a swimsuit with a bit more support. The good news is that tummy control swimwear has moved on massively in recent years. Gone are the stiff, overly structured one-pieces that looked more functional than fashionable. Now it’s all about subtle shaping panels, clever