Among all the celebrity hairstyles, Jennifer Aniston's hairstyles are perhaps among the most popular ever. Thanks to the advent of sedu hair style, celebrities like Jennifer Aniston and Jessica Alba are able to change their hairstyle literally at will. The very terms celebrity hairstyles Jennifer Aniston seem to go hand in hand. Such is the craze she has generated with her looks in on the immensely hit television sitcom 'Friends', in which she appears as Rachel Green....