British-American actress Sienna Miller got into a rather awkward situation when she flashed her naked boobs while relaxing. The paparazzi caught a celebrity when she had a great time on a yacht with her boyfriend. The star was wearing a black swimsuit that accentuated her juicy ass, and the neckline was so deep that her boobs were ready to jump out of it at any time. And at one moment her nipple slipped out.