Let's take a look back at Nicole's pretty radical hair transformations this year.
At the beginning of 2015 she rocked a turquoise bob
The Pixie short cut was a spur-of-the-moment decision.
"I was at home one day, [Andy Lecompte and I] had the music going, and it kind of just happened. It was on a random Tuesday. It was very spur of the moment", Nicole told PEOPLE.
At Tom Ford's fall 2015 fashion show she appeared with a shaggy pixie
Platinum blonde. The inspiration for this new look was "Edie Sedgwick goes to the beach"
Earlier this month Nicole debuted a new hue - gray with blue and purple highlights.
