Kissa Sins, born Stephanie Michelle Constanzo on June 22, 1987, in Pasadena, California, USA, is a renowned American adult film actress, model, director, and producer of Italian-Russian descent. At age six, her family relocated to Toronto, Canada, where she resided for ten years before returning to the US. Entering the porn industry in 2014 at 27, she rapidly gained fame for her high-energy performances, squirting abilities, and versatility across genres including anal, DP, gonzo, and girl-girl scenes. Collaborating with elite studios like Brazzers, Evil Angel, Tushy, Digital Playground, Jules Jordan, and Pure Taboo, her debut anal and DP appeared in 'The Corruption of Kissa Sins' (2018). Married to pornstar Johnny Sins since 2014, they briefly separated in 2019 but reconciled in 2020, co-founding the erotic platform SinsLife. Awards include the 2017 AVN Fan Award for Web Queen, Fleshlight Girl of the Month (2019), and multiple AVN/XBIZ nominations. At 5'1" with a curvaceous figure, she has millions of Instagram followers and remains active in 2026.