The Way Good Friends Do...

Most of girls' play, according to a Mattel spokesperson, revolves around best-friend themes. Girls say that what they like about Mary-Kate and Ashley is that they're permanent best friends; they're so close that they even share the same face. "Since they're twins, they kind of like always have a best friend around them," says Christine Chun, an 11-year-old Olsens fan from Los Angeles. "I'd like to have someone who would always be there, like a best friend who lives with you."