Katy is seemingly obsessed with Britney shaving her head. She has brought up Britney shaving her head multiple times thoughout her career… and, TO THIS DAY, seems to still think it’s a joke.   Katy’s first Britney head-shaving dig happened in 2010 in a radio interview with Radio 2. In the interview, Katy alludes to the fact that she won’t have a breakdown, but may shave her head someday: “My first record didn’t take off until I was 23 so I was perhaps in a different headspace to s