Late bfp success stories anyone?

Has anyone got a very very faint line (like just visible in certain light etc) or tested negative at 2 days late for af and gone to get a bfp? Or shall I count myself out? The only thing that is keeping me clinging on to hope is that usually around now or even a week before now my cervix feels slightly open, but for the past few days it has been tightly closed which is a new symptom for me!