Sasha Pieterse costume Up as A grown Up ice Princess from "Shark young & Lava Girl" for Halloween!

Sasha Pieterse is returning to her roots for Halloween!

The 23-year-old actress and author famously play the ice Princess in The Adventures the Shark boy & Lava Girl as soon as she was just six and decided to dress up as the character again because that the holiday!

“Last minute Halloween costume…go v what friend know. #iceprincess #sharkboyandlavagirl