She shared her fiery new look — which also includes long hair extensions — via Twitter on Monday.
The reality star, 24, most recently rocked red hair when she was five months pregnant, but soon changed her locks back to a darker color.
Polizzi and fiancée Jionni Lavalle welcomed son Lorenzo in August. She is set to appear alongside the rest of her Jersey Shore cast on MTV this Thursday for a "Restore the Shore" benefit meant to raise money for those affected by Hurricane Sandy.
What do you think of Snooki's new hair?