For close to three years they have been rumoured to be sweethearts yet they never affirmed nor denied any of the many rumours. Rumours has it that the couple had been talking about marriage and at a point Katie even believed Jamie would be her husband.
However both were caught in their careers and the marriage never saw the light of day. The reason for the sudden break up is according to Katie , Jamie’s attitude towards commitment. It looks like the actor is afraid to commit.
So Katie and Jamie breaks it off from a relationship they never admitted they were in—wonderful.