The red poofy hat Natasha Little (Augusta Leigh) wears to visit Annabella is the same one Anna Chancellor (Caroline Bingley) wears when she visits Jane Bennet on Gracechurch Street in Pride and Prejudice (1995).
The white wedding gown worn by Julie Cox (Annabella Milbanke) is the same costume worn by Samantha Morton (Harriet Smith) Emma (1996) during Emma's fantasy sequence of Harriet marrying Mr. Elton, and by Emilia Fox (Clara Copperfield) in David Copperfield (1999).
The beige floral gown with brown lace trim on the sleeves Julie Cox (Annabella Milbanke) wears during her pregnancy is the same gown Kate Beckinsale (Emma Woodhouse) wears at Hartfield in Emma (1996).
The pale green muslin gown with intricate ivory lace appliqués worn by an extra at the London party where Byron meets Annabella Milbanke is the same costume worn by Jennifer Granville (Mrs. Hurst) at Pemberley in Pride and Prejudice (1980), by the dancing mistress in The Regency House Party (2004), by Lucy Robinson (Mrs. Elton) to the Donwell strawberry picking party in Emma (1996).
The ivory silk evening gown worn by Julie Cox (Annabella Milbanke) to the ball is the same costume worn by a guest at the Duchess of Richmond's Ball in Vanity Fair (1998), and by Kate Beckinsale (Emma Woodhouse) to the Crown Ball in Emma (1996).