Valentina Sierra, born on March 25, 1977, in Prague, Czech Republic, is a renowned MILF pornstar and adult model who entered the industry in 2017. Standing at 5'2" (157 cm) with a slim build, striking blue eyes, brown hair, and enhanced 34D breasts, she boasts piercings on her right cheek, tongue, left nipple, and clithood, along with tattoos. Known by aliases such as Cataleya Dark, Kitty Monroe, Stela, and Valentina, Sierra has built a diverse career featuring hardcore, anal, blowjobs, girl-girl scenes including fisting and dildos, solo masturbation, and even watersports. Her notable works include appearances on 40SomethingMag, Fake Hub, and various international studios. Active on OnlyFans (@valentinasierra_official), Instagram, and X (@V_Sierra_Porn), she also provides escort services in Prague, speaking English, German, and Italian. A fan favorite in the mature category, she continues to produce content as of 2026.
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