Final answer:
Jessica Simpson is older than Ashlee Simpson by four years.
Step-by-step explanation:
Jessica Simpson, born on July 10, 1980, is the elder sister of Ashlee Simpson, who was born on October 3, 1984. Growing up, Jessica ventured into the entertainment industry earlier, gaining fame as a singer, actress, and fashion designer before Ashlee. Despite their age difference, both sisters made significant marks in the music scene. Jessica gained widespread recognition in the late '90s with her pop music and later expanded her career to include acting and fashion endeavors. Ashlee followed suit, launching her own music career, initially gaining attention with her reality show and later carving her path with albums and acting roles. Despite their unique journeys, the Simpson sisters share a strong bond, often supporting each other in their respective careers and personal lives.
Correct answer: Jessica Simpson