We're kicking off our Summer coverage, which means you'll be seeing lots of celebrities in bikinis, cover-ups, and colorful warm-weather accessories. But first let's zoom in on swimwear, more specifically triangle bikinis. Everyone from Kate Beckinsale to Karolina Kurkova to Lucy Hale to Bar Refaeli and so many more stars are into triangle-style swimwear. Black, white, colorful, studded, tie-dyed, mismatched — you name it, they've worn it on the most glamorous getaways. Before you hit the beach this Summer, see and shop the top celebrity triangle bikinis!