By Rachel Zimny As hot girl summer returns, it’s little surprise that the looks of the oughts are coming back. Low rise pants and flare cut jeans have made their reappearance, but the most iconic throwback to watch out for this summer is the string bikini. Anyone who remembers the early 2000s will easily remember how a flat stomach was the ultimate accessory. The biggest difference with the string bikini of 2021, however, is how it has overlapped with the body positivity move