Mary-Kate Olsen and Ashley Olsen. Audiences first met the Olsen twins when they joined the cast of Full House as Michelle Tanner at just 6 months old.

Mary-Kate Olsen and Ashley Fuller Olsen, also known as the Olsen twins as a duo, are American fashion designers and former actresses. The twins made their acting debut as infants playing Michelle ...

Mary-Kate and Ashley [Olsen] were on at 9 months old, and they stayed on the show for eight years, so you literally saw them grow up. Anyway, that's my theory." ...

Austin Nichols, who starred alongside the twins in 2001’s Holiday in the Sun, recalled that his kiss scene with Mary-Kate Olsen “felt wrong,” acknowledging that she and Ashley were ...