They started their career as infants whereby they were tasted in the single role of Michelle Tanner -the cute baby of the Full House
family. They were hired at the age of six months and filming began when they were nine months old.
Everyone loved Michelle Tanner, the wisecracking baby and little girls around the world went berserk over Michelle. With this, the Olsen twins’ parents saw this as an opportunity to promote their little twin girls’ image.
At the age of 7, Mary-Kate and Ashley with their then-manager, co-founded Dualstar Entertainment – a global brand management company with the specific goal of leveraging the popularity of these little twin girls.
Mary-Kate and Ashley made several straight-to-video movies as well as TV shows and even licensed their names to furniture and clothing lines for preteens — girls age 5 to 12. As they matured, their fashion sense bloomed. Mary-Kate and Ashley then moved on to start a clothing line in Wal-Mart stores for girls age 4-14 as well together with a beauty line called “Mary-Kate and Ashley: Real fashion for real girls”.