You can chose sexy pony tails that are also a good choice for modern looks. A ponytail hairstyle works great if your office environment is not very strict.It is an elegant style but only goes good if you have an excellent bone structure. A variation of a short hairstyle, but helping to get a more feminine look is the Bob hairstyle. The bob hairstyle is both formal and casual, being easy to transform with just a few twist in your hair so it may be a great choice for hairstyling if you want your hair to look great both at the office and after hours.