Krupa was born in Warsaw, Poland and was raised Roman Catholic.She has a younger sister, Marta, also a model.Joanna moved to Illinois, United States, with her family at the age of five.
She is engaged to Romain Zago, owner of Mynt nightclub in Miami.
Krupa has appeared on magazine covers including Envy, FHM, Personal, Inside Sport, Stuff, Steppin' Out, Teeze, Shape and Maxim, in which she was named the Sexiest Swimsuit Model in the World. Maxim named her #55 in its 2011 Hot 100 ranking of the world's hottest women, ahead of Christina Aguilera (58).She was voted German Maxim's Model of the Year 2004-2005. Krupa has also appeared twice on the cover of Playboy. Krupa has also been a lingerie model for Frederick's of Hollywood. She was a Miss Howard TV model for the month of December 2007.
Krupa 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.
Krupa, who took ballet lessons as a child,competed in season 9 of Dancing with the Stars with one-time champion Derek Hough. They were eliminated on November 17, 2009.She is featured on Manon's new dance music single "I'll Be Around" released November 19, 2009 on Dauman Music.
On December 2, 2009, PETA released a controversial ad of the model.The ad shows Krupa posing nude holding a cross that covers her breasts and genitalia. Krupa is depicted as an angel floating in a Catholic church filled with young puppies. The message of the ad is to, "be an angel for animals, always adopt dogs, never buy"This is not the only ad that Krupa has done for PETA. The model has also appeared nude on three previous ads for PETA, all speaking out against wearing fur. In an April, 2009, cover story with Aventura Business Monthly, Krupa said she was first motivated to promote PETA when she saw video of animals being skinned alive in China for their fur.
Since autumn 2010, Krupa has hosted and served as a judge in a Tyra Banks-inspired role on Poland's Next Top Model. In 2012, Krupa was announced as one of the new cast members on The Real Housewives of Miami, which premiered on September
Dancing with the Stars
Krupa was partnered with professional dancer and choreographer Derek Hough. She was voted off in the ninth week, finishing in 4th place.
Cha-Cha-Cha/"Can't Get You Out Of My Head"
Salsa/"La Luz del Ritmo"
Due to Len Goodman's absence in week 2, the 7 was awarded by stand-in guest judge Baz Luhrmann.
^** Due to illness Derek Hough was unable to perform; Joanna Krupa performed this dance with Maksim Chmerkovskiy.
The Underground Comedy Movie (1999) (2010 re-issue)
Planet of the Apes (2001), Friend at Leo's Party
No Shoes, No Mercy (2003), Nurse
Max Havoc: Curse of the Dragon (2004), as Jane
The Dog Problem (2006), Taffy
Scary Movie 4 (2006)
Ripple Effect (2007), Victoria
Skinner Box (2007), Samantha
The Man Show (2002–2003), Juggy Dancer
Las Vegas episode Degas Away with It (2004), Nicole
CSI: Crime Scene Investigation episode "Kiss-Kiss, Bye-Bye" (2006), Waitress
Superstars (2009), Herself
Dancing with the Stars (2009), Herself
Million Dollar Challenge (2009), Herself
Poland's Next Top Model (2010-present), Host & Judge
Szymon Majewski Show (Polish Talk-Show) (2010), Herself, Guest Star
The Real Housewives of Miami (2012- ), Herself