Without more information, it's impossible to say who Lauren is. She could be an ordinary girl, a character in a made - up story, or someone known within a particular group.
I'm not sure who Ashley is specifically in this 'oh ashley' story without more context. It could be a character created by a particular author or within a certain community's set of stories.
Since we don't have much information, Ashley Black could be anyone. She might be an ordinary person with an extraordinary story, or she could be a well - known figure in a particular community. Without further details, it's impossible to say exactly who she is in the story.
In the 'father does know best the lauren chapin story', Lauren Chapin is probably the person whose life and experiences are being told in relation to her father's wisdom. She could be an ordinary person whose story of family dynamics, with her father being the source of great knowledge, is being shared. Without more details, it's difficult to say more about her, but she's clearly an important part of this narrative.
It could be that Bella has a love interest that Lauren also fancies. In fanfiction, love triangles are common. If the object of affection shows more interest in Bella, it would make Lauren jealous. For example, if there's a guy both of them like, and he always chooses Bella over Lauren.
It's possible that Ashley is a cricket coach who has a special encounter with the young fan. They could be someone who has a passion for nurturing young talent in cricket.
I don't know off the top of my head. Maybe check entertainment news websites or the official credits of the show to confirm if Lauren London is part of True Story.