How the script would start off...

If you could choice between Meryl Streep or Miranda Hart to play your mother in a musical of your life who would you pick?
For 17 year old Sophie Meryl Streep is a no brainer. Sophie was abandoned and after writing a note asking for help she is contact be a big musical company who wants to make her life a broad way musical. Is yes the answer that Sophie gives them or does she continue on with her life?