Bella Thorne hit the beach for a mermaid inspired photo shoot. The actress posed with her sisters, Dani and Kalli, in support of Project Mermaid. The photos will go in a book that will be released in the summer of 2014. Proceeds from the book will be donated to the Save Our Beach charity. Bella shared several behind the scenes photos on her Instagram account. Other stars that have posed as mermaids for the project include Vanessa Hudgens, Allison Paige and Andrea Bowen.