Jennifer Aniston New Haircut ( Modern Long Bob ). We all know that Jennifer is a hairstyle icon and many look to her to see what’s hot in the latest hair trends. At her latest movie premiere of “Just go with it’ she debuted a modern bob. Her new bob haircut is kept long and stops just at her shoulders creating the perfect look for spring. With Jen jumping on the short hair train, it’s just another sign that short hair will soon be making a strong comeback. See her new look below.