Elegant ponytail hairstyle 2012 – 2013 is the best trick to hide oily and greasy hair. Olivia Wilde rocked a chic all-black ensemble to the ‘Cowboys & Aliens’ premiere. She finished off the look with a high loose ponytail. This is one of the most popular loose ponytail hair style this season.
Picture of Olivia Wilde Casual Loose Ponytail Hairstyles: