Hayley Kiyoko Sings 'Pretty Girl' to Becca Tilley at London Concert

Hayley Kiyoko serenaded her girlfriend Becca Tilley with "Pretty Girl" during her concert at London's Koko on Sunday night (April 10).

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Hayley Kiyoko and Becca Tilley pose hand-in-hand as a stylish

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Becca Tilley's Girlfriend Hayley Kiyoko Brings Her Onstage at Concert: 'Adding This to My Core Memory List

Becca Tilley and Hayley Kiyoko's Relationship Timeline

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Becca Tilley and Hayley Kiyoko dress as Velma and Daphne for Halloween