This is actually the sweetest, most heart-breaking thing.

Radio presenter James O'Brien said he was scrolling through his young daughter's phone when he discovered text messages she was sending to her grandfather more than five years after he had passed away.

He describes them as bringing tears to his eyes and we guarantee it will do the same to you.

He shared a screenshot of the text messages on Twitter and they have over 140k likes and 26k retweets at the time of writing: