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[credit] Instagram [/credit]

OMG… sisters Kaili Thorne, Dani Thorne and Shake It Up star Bella Thorne are looking a bit fishy! And, no, this isn’t their Halloween costumes. The three Thorne’s pose as magical mermaids for The Mermaid Project, and look absolutely mystical.

Bella is all about giving back and helping others, even when it comes to the ocean. The sisters spent a whole day in fins bringing awareness to the importance of keeping beaches clean.

“Save our beaches” Bella wrote on her insta.

We love that the Disney darling is so sweet and cares so much about the environment.

Whose mermaid fins would you want to dress up in? Green, Pink or Blue? What do you think about the Thorne sisters’ mermaid transformation? Let us know in the comments below and on Twitter!