Jana Kucova, born July 29, 1985, in the Czech Republic, is a former adult model and porn star known for her voluptuous, all-natural figure. Measuring 42-30-38 with 36E-38DD breasts, standing 5'5" tall and weighing 136 lbs, she boasts green eyes and changeable hair colors from blonde to red. She launched her career in 2005 as GG Jane in German productions.
By 2006, under Jana Kucova, she starred in US and UK big-boob sites like Scoreland and XL Girls, delivering solo masturbation, softcore girl/girl, and hardcore boy/girl scenes featuring blowjobs, vaginal, anal, and double penetration. After vanishing in 2007, she resurfaced in 2008 as Siena Sweet, active until around 2011. Notable works include Blue Coyote's 'Natural Wonders of the World' series (Vols.
45, 58, 61) and 'Bra Busters 8'. Aliases encompass Jayne Dione, Keisy, and Siena. At 40, she has retired, leaving a legacy in busty fetish content.