Better Left Unsaid - Katy Perry & Cheryl

In this story,
Katy and Cheryl are both famous and in their normal careers, Cheryl is married to Jean and has 2 children with him.
Katy is newly single after breaking up with John and has no children,

But meeting each other changes something between them and in their separate lives drastically..

*THIS IS NOT A FOLLOW-ON FROM 'TORN'*