Joanna Krupa was born 23 April 1979 is a Polish American model, actress and animal rights activist. Joanna Krupa is mostly known for her appearances on the reality television shows Dancing with the Stars and The Real Housewives of Miami and as the host and head judge of Top Model. Joanna Krupa was raised Roman Catholic. Joanna Krupa has a younger sister, Marta, who is also a model. Joanna Krupa moved to Illinois with her family at the age of five. In Chicago, she attended Mary Lyon Public School, followed by Steinmetz High School.