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Watch Ella Henderson Finish The Lyrics To Your Favorite 'Little Mermaid' Songs

Does the 'Ghost' singer know if 'the seaweed is always greener in somebody else's lake'? MTV investigates.

Although Ella Henderson sings about being haunted in her debut single "Ghost," we're not exactly convinced the former U.K. "X Factor" contestant believes in the supernatural IRL.

"I like to say I believe in ghosts so I don’t get haunted by one," she told MTV News. "Nothing scary has happened to me. I know people who have experienced stuff but I wouldn’t want to experience anything myself, unless it was Casper the Friendly Ghost, then I’d be alright with that."

While actual ghosts aren't the 19-year-old's thing, there is one fairytale creature Ella ensures us are the real deal.

"I just love mermaids. I was a mermaid in my past life. I just feel it when I go in the sea," she laughed. "I just feel a connection there between me, and the water, and the fish — they speak to me -- and the shells -- they ring out to me."

When describing this alternate universe she once swam in, Ella imagined an ombre tail that blended from turquoise to purple, shells and tousled blonde hair.

"I think the thing with mermaids came about when I was little. I was obsessed whenever we’d go on a holiday. You could never get me out of the water, and I loved singing so you put two and two together — you know, you imagine a mermaid sitting and combing her hair, singing on a rock in the sea."

Seeing she's a mermaid aficionado and a killer singer, we tested Ella to see which tracks from Disney's "The Little Mermaid" she could finish the lyrics to. Play along while watching the video above.