According to Allure magazine, the lob is the new "Rachel" when it comes to this season's hottest hairstyle. This celebrity hair trend has been sweeping Hollywood - Tyra Banks, Brooklyn Decker and Olivia Palermo have all been spotted rocking the lob. The lob celebrity hair trend is a cross between long hair and a bob; the lob haircut hits shoulder-length, can have a middle or side part and even layers depending on your face shape and what works for you. The lob haircut seen on Olivia Palermo looks gorgeous she kept it simple with just the right amount of volume. Will you try this celebrity hair trend?