Of course, former Fox News host Kimberly Guilfoyle is no stranger to resurrecting outdated styles, and when it came to one late-2000s hair trend, it was glaringly obvious she didn't get the memo.

They're all celebrities, it's true, but beyond that, each of these stars succumbed to the call of "calico hair" in the 2000s. It's a hair colouration trend that the world could have done without ...

One could say this is a nod to her late 2000s hair do's. Before her life in the royal spotlight, Princess Kate preferred a deep side part often featuring effortless side bangs tucked behind her ears.

Half the fun was just poking it in the pan between uses. Somehow, hair crimpers snuck their way into 2000s beauty trends, all the way from the ‘80s. They were the go-to styling tool! With just a ...