Haylie Katherine Duff

- Her role model is her mother.
- She's Hilary's role model.
- She wrote "Inner Strentgh", "Sweet Sixteen", and "I Need a Sunday" for Hilary.
- She teamed up with Hilary on Disney Mania 2 for "The Siamese Cat Song'.
- Hilary calls her "Dirty Dog" and Haylie calls her "Clean Cat".