Kim Kardashian steamed up the beaches of Hawaii over the weekend with her rapper boyfriend Kanye West, stripping down into a sexy black one-piece bathing suit. \"Happy Sunday,\" Kim captioned the Instagram photo, which was seemingly taken from behind while she was smiling to the camera. Meanwhile, it has been revealed that Kim’s boyfriend of a few months is planning on proposing to the reality star as soon as her divorce from Kris Humphries is finalized.