★★★★★ Trusted by 1,000+ women from the Cutting & Building Diaries community.

About

Hey, I'm Lily.

I'm a female fitness coach helping women stop guessing with their training. If you've been doing ab workouts for months — or years — and still feel like nothing's changed, I've been there.

Your abs are a muscle like any other, and they need progressive overload to grow. The Definition Diaries is the protocol I run on myself, every week — pulled into a five-page guide so you can run it too.

  • 5 short chapters · 15-minute read · 4-week plan
  • The exact 5-move circuit I run weekly
  • The one diet switch that moved the needle

The free guide

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Inside Five short chapters. Read it in fifteen minutes. Run it for four weeks.

  1. 01

    Introduction

    The honest reason your core hasn't changed yet.

  2. 02

    The Mistakes

    Five things women get wrong with core training.

  3. 04

    The Switch & The Week

    The protein change and the weekly split that ties it together.

  4. 05

    The Rule

    The mindset I fall back on every plateau.

From the inbox Women who stopped guessing.