Katy Perry sure turned heads at the Golden Globes on Sunday night. She left her shiny brunette hair down with a lot of volume at the back to give a 60s vibe. Even Jennifer Lawrence couldn’t help herself and petted the bumpit used on Katy’s hair. The singer admitted she was rocking a bumpit. I know, right! Katy rocked the look quite effortlessly as she donned a low cut dress and simple makeup. It was certainly her hairstyle that made waves. Here’s how to get Katy Perry’s 60s bouffant half up-do.