The X Factor contestant said the Marina and the Diamonds star is her top celebrity crush, Metro reports.
Spraggan, 21, revealed: "She is my dream woman; if I met her, it'd be embarrassing.
"For once, I think I'd be lost for words."
She also tweeted about her love of Diamandis on Twitter, responding to a fan with: "I fangirl over Marina and the Diamonds."
the biggest compliment ever".
She has also said she hopes to find love after her time on The X Factor.
"X Factor must do wonders for your love life," she commented. "Girls do love girls with guitars."
Spraggan was revealed as the most listened-to contestant so far this series by Last FM despite being behind bookies' favourites Ella Henderson and James Arthur.
Watch Spraggan and the other X Factor Girls being interviewed below: