Caitlin dated Irish actor Aidan Turner after her breakup with her ex-boyfriend.
FitzGerald first developed an interest in acting as a child and performed in many community theatre and school productions.
A source told MailOnline: 'Aidan is engaged to a 24-year old graduate lawyer from Gloucester.
We have also included many Caitlin FitzGerald photos that have been taken at the beach and these also include Caitlin FitzGerald swimsuit photos.
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Caitlin had at least 1 relationship in the past.