She maintains a rigorous workout schedule, which is reflected in her "fit teen" branding in many titles.
Kelsey Kane Peters has written on topics like mindset, pricing, and audience building. “Kingdom” could be the name of a (e.g., “The Kingdom Method”) designed to help entrepreneurs build a sustainable, loyal customer base—like a kingdom of their own. kelsey kane peters kingdom
To get the exact definition or access point for “Kingdom” as Kelsey Kane Peters uses it: She maintains a rigorous workout schedule, which is
However, there are two very similar authors/works that might be what you're after: She maintains a rigorous workout schedule