<P> Mary - Kate Olsen and Ashley Olsen ( born June 13 , 1986 ) , also known as the Olsen twins collectively , are American fashion designers and former child actresses . The fraternal twins made their acting debut as infants playing Michelle Tanner on the television series Full House . At the age of six , Mary - Kate and Ashley Olsen began starring together in TV , film , and video projects , which continued to their teenage years . Through their company Dualstar , the Olsens joined the ranks of the wealthiest women in the entertainment industry at a young age . </P>
<P> Mary - Kate Olsen and Ashley Olsen ( born June 13 , 1986 ) , also known as the Olsen twins collectively , are American fashion designers and former child actresses . The fraternal twins made their acting debut as infants playing Michelle Tanner on the television series Full House . At the age of six , Mary - Kate and Ashley Olsen began starring together in TV , film , and video projects , which continued to their teenage years . Through their company Dualstar , the Olsens joined the ranks of the wealthiest women in the entertainment industry at a young age . </P>
how old were olsen twins in full house
how old were olsen twins in full house
infants
infants