A Playboy model has defended herself against critics who lambasted her topless desert images taken in Dubai - insisting she was 'careful to cover her breasts with her hands'. Luana Sandien, 27, from Brazil , delighted her 14,600 Instagram followers after sharing a series of photos showing her topless in the middle of a desert in Dubai over the weekend. However, not everyone was impressed with the daring shots. Luana's ...