So many celebrities are constantly switching up their looks, especially when it comes to their hair. Whether they chop off all their hair, dye it different colors, or even wear a wig, it’s so exciting to see all of the celeb hair makeovers. From Khloe Kardashian chopping her long blonde hair off into a short sleek bob, to Emma Roberts ditching her dark brunette bob for long, gorgeous blonde waves – there’s so many looks to choose from for inspiration.

In this gallery here, we have rounded up the best celebrity hair makeovers from miss Katy Perry herself. While some hairstyles are totally predictable, others are rather shocking. The California gurl can surely pull off almost any look in the world, though!

Click through the gallery to see all of the pop star’s hair makeovers over the years!