Mary-Kate Olsen and Ashley Olsen were born on June 11th, 1999.
Mary-Kate Olsen and Ashley Olsen -LRB- born June 13 , 1986 -RRB- , also known as the Olsen twins collectively , are American fashion designers and former child actresses .. Ashley. Ashley Olsen. Mary-Kate. Mary-Kate Olsen. Mary-Kate Olsen. Mary-Kate Olsen. Ashley Olsen. Ashley Olsen. The fraternal twins made their acting debut as infants playing Michelle Tanner on the television series Full House .. fraternal twins. fraternal twins. Michelle Tanner. Michelle Tanner. Full House. 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 .. Ashley. Ashley Olsen. Mary-Kate. Mary-Kate Olsen. Ashley Olsen. Ashley Olsen. Through their company Dualstar , the Olsens joined the ranks of the wealthiest women in the entertainment industry at a young age .. Dualstar. Dualstar