The bob is one of the hottest haircuts of the year. Whether it's long or short, the bob is so much more than a wash-and-wear haircut. Celebrities are embracing the look because it keeps hair healthy and is versatile to style. Check out these pictures to see the latest celeb cut, Rachel McAdams' bob hairstyle 2015.The cut is a classic chin length bob but what sets this apart is the styling. ... Get the hairstyle!