Glee actress Dianna Agron may be a young starlet, but she already has a full hairstyle history behind her. Dianna loves to mix up her hair color and cuts, and has worn some stunning styles during her time in the spotlight. Here are some of Dianna Agron's best hairstyles to date.View yourself with Dianna Agron hairstyles. We provide easy "How to style" tips as well as letting you know which hairstyles will match your face shape, hair texture and hair density.