John O'Callaghan and Kailey Cost
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Kailey Cost is rumored to have hooked up with John O'Callaghan.
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John O'Callaghan is a 37 year old American Vocalist. Born John Cornelius O'Callaghan V on 4th August, 1988 in Tempe, Arizona, USA, he is famous for Lead vocalist of the Maine. His zodiac sign is Leo.
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They were rumored to be together, but apparently they aren't together. Kailey is supposedly John's ballet instructor.
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