This one is pretty easy to do. Just don't skip any cutscenes and the trophy will pop once the credits start and just after you get:
Just remember not to skip the credits so you can also get:
A note on dialog: I was worried I had missed out on this on my first playthrough when I accidentally skipped a bit of dialog just after a small cutscene. I was already too far into the game to simply start over, so I just finished the game and crossed my fingers. Seems like I was panicking over nothing. You can totally skip dialog and it doesn't seem to count against this trophy.