The story focuses on Willowdean's journey to self-acceptance, encouraging readers to feel comfortable in their skin regardless of societal beauty standards. Dumplin' learns that attractiveness isn't determined by clothing size and true beauty comes from within.

The unshakeable friendship between Willowdean and her best friend Ellen is central to the plot. Together they navigate the challenges of growing up and support each other's decisions, even through difficult times.

Beyond a love story, the book captures the ups and downs of teenage life, first love, insecurities, and the desire to find one's place in the world. Willowdean's transformation from an insecure girl to a confident young woman shows it's okay to follow your own path.