With the start of 2014, news broke out that Kirsty is engaged with former Red Arrows pilot Sqn Ldr Ben Murphy. They were engaged to get married soon. But RAF began investigating about their love affairs as they broke rules by having affairs while both were flying for the elite display team.
In their previous interview both of them denied being in the relationship but few months later they revealed that they are living together and they will get married soon. They began working together since 2010.
After completing her higher education, Kirsty joined the British army and within short periods of time, she got the post of Lieutenant. She earned huge amount of salary being the Red Arrows pilot but the actual figure about her net worth is unknown.