Bob hairstyles are hot right now and a classic look. But they can be versatile and there are many types of bobs out there to choose from.

Actress Katie Holmes in a bob hairstyle at the Metropolitan Museum of Art.

Actress Gwyneth Paltrow in shoulder-length bob haircut at Cannes.

Bobs are uber-trendy, but this longer version is terribly simple and sexy and just so happens to look great on all hair types and face shapes.

Selma Blair in a bob hairstyle

Actress Selma Blair has kept her hair short for quite a while now. She started super short and is now wearing a bob.

Tags: bob hairstyle, Celebrity Hairstyles, Short Hairstyles