The trick remains in making the round face appear slender and sleek Straightening the hairstyle would be even better as it will give a slimmer look In that case, long haircuts for round faces should be kept sleek Generally with long hair, the simple look is the best as described above and on the narrow side towards the cheek area Bangs will again cover up the face and forehead making the style totally This is because round faces tend to have fuller cheeks round face shape will not work for any length of hair.