Demi Lovato reveals crush on Niall Horan

Demi Lovato has revealed that she has a new crush - Mullingar native and One Directioner Niall Horan.

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A recent US poll revealed Niall is the group's most popular singer

The 18-year-old singer and actress, who has previously dated Wilmer Valderrama and Joe Jonas, admits the blonde singer is her favourite in the group.

Asked in a webchat who her celebrity crush is she named Horan and said: "He's so adorable."

Horan has previously spoken about Lovato. He said: "She's of a similar age, she seems to be a nice girl."

Demi Lovato is currently on a promotional tour of Europe with her new album

He is also known to have been a fan of Lovato's MTV documentary detailing her personal struggles with bulimia, calling it "an amazing story".

Lovato is currently on a promotional tour of Europe with her new album, while it has emerged One Direction had to turn down an invite to the White House next week due to commitments in Australia.

Lovato is one of millions of new American admirers for the 18-year-old, as a recent poll in the US revealed Horan is the group's most popular singer with American fans.