While countless girls had crushes on David Cassidy, who played Keith Partridge, Susan Dey, who played his sister, Laurie Partridge, was who we all wanted to be best friends with. Born in Illinois ...

The cast of the popular '70s sitcom appeared on the "Today Show" as part of their "Great TV Families Reunited" series, but actress Susan Dey, who played eldest daughter Laurie Partridge ...