You can always get the missing hearts from mails, that's the only way to get her selfie rn, about the last 3 photos, I'm not home so I'm not sure if they are achievements or part of the story, so here's a guide on her story in csse you need it
1) what makes you think I'm not one ?
2) not in my wildest dream
3) what exactly you do?
4) sound lonely
5) what kind of thing?
6) sure
7) tell me more
8) yes, I want to know what led you think that
9) waves are part of cycle, you know ?
That should let you continue up to the latest bit