No matter how much I try to add more color into my wardrobe, I’ll never give up my black one-piece swimsuits. Black swimwear is simply classic — just ask Meghan Markle. The actress wore a timeless suit while on a recent vacation in Portugal with family. The color is inherently slimming, looks good on everyone and will never ever go out of style. If you don’t have a black swimsuit in your summer repertoire, it’s time to add one. Luckily, I found …