Sister Act
The Olsen Twins
The most famous of all may be the Olsen twins, 20, who have been acting together since they were babies. Before they were a year old, they shared the role of Michelle Tanner in the popular TV series "Full House," taking turns on camera to comply with child labor laws. Since then, they have not only appeared together in a number of movies and commercials, but have launched their own lines of clothing and cosmetics.
Author: CBS News Staff
Credit: AP/Teen Vogue, Marion Curtis
