Joanna Krupa was born in Warsaw, Poland. Joanna has a younger sister, Marta Krupa. She moved to Chicago, Illinois, with her family at the age of five.
Krupa has appeared on magazine covers including ENVY, FHM, Personal, Inside Sport, Stuff, Steppin' Out, Teeze, and Maxim, in which she was named the Hottest Swimsuit Model in the World.
She was a Miss Howard TV model for the month of December 2007.
She was featured on the television show Superstars in June 2009. She and her partner Terrell Owens were eliminated on the first episode. However, because of another team's injury and disqualification, she and her partner were asked to step in and continue competing and did well in their comeback episode.