The singer and her fiancé Eric Johnson - who are parents to 16-month-old daughter Maxwell and three-month-old son Ace Knute - are limiting the guest list for their upcoming nuptials to include only close pals and family members so their big day feels more intimate.
She is also an ardent theatre fan apart from acting in television shows and films.
Like her sister before her, Simpson became the center of considerable media attention, much of which focused on her relationship with musician Ryan Cabrera.