Abby Richter is a fictional character from the romantic comedy film 27 Dresses. She is portrayed by actress Katherine Heigl. Abby is known for her role as a dedicated wedding planner who has attended numerous weddings as a bridesmaid, often feeling frustrated by her own romantic life. In the film, Abby's character navigates the challenges of love and relationships while dealing with her sister's engagement to the man she secretly loves. The story explores themes of friendship, love, and self-discovery as Abby learns to embrace her own happiness.