Katy Perry spent some time in the sand with her fiancé, Orlando Bloom, and friends Karlie Kloss, Joshua Kushner and more.The singer, 35, covered her budding belly in a strapless purple one-piece during the Sunday, July 26, outing. The Grammy nominee also wore a sun hat and black sunglasses.As for the model, 27, Kloss rocked a striped bathing suit.