It is difficult to definitively say who Princess Diana's best friend was, as she had many close relationships throughout her life. However, some of her most notable friends include:
- Sarah, Duchess of York: Diana and Sarah were close friends since childhood, and their bond continued even after Diana's marriage to Prince Charles.
- Lady Annabel Goldsmith: Diana was a frequent visitor to Lady Annabel's famous London nightclub, and they formed a strong friendship.
- Romy, Lady Ashcroft: Romy was a close confidante to Diana, and they shared a passion for charitable work.
- Julia Samuel: Julia was a therapist and close friend who provided emotional support to Diana during difficult times.
While these are just a few examples, it is important to remember that friendships are complex and multifaceted. Diana likely had many close relationships that were important to her in different ways.