Jana Defi (born January 10, 1984) is a Czech adult model turned glamour model and television personality.
Born in Prague, Czechoslovakia (now Czech Republic) to an Italian father and a Czech mother, Jana Defi was first published on the Web by the Polish erotic website Busty.pl in May 2005.
She has modelled under different names, including "Maria Swan" and "Princessa" (sometimes spelled Princzessa). Defi is also a glamour, lingerie, topless and swimsuit model. She is represented by the German agency, Markuslensch.
Defi has achieved mainstream popularity in the United Kingdom, appearing with top UK glamour model Michelle Marsh on the front cover of the lads' mag Loaded in January 2007. She appeared on the cover again in the March 2007 issue and featured in the magazine's free 3D DVD, photographed with Lucy Pinder. She was featured as the magazine's top centerfold model in the May and June 2007 issue.
In 2006, she appeared as a guest on the German talk show Die Oliver Geissen Show. Her official website, Janaglam.com launched in January 2008.
