Crystal Greenvelle Crystal Greenvelle, who has also performed as Nastia, was born in Russia on May 24, 1997. She has been only one year in the industry and is already known for being a fearless young lady who can take a lot of hardcore anal sex. She has participated in scenes of orgies, double penetration, gang bang, interracial, lesbian. Crystal has both of her nipples pierced. She actively posts on her Twitter page, mostly nude photos of her latest work, making an army of fifteen thousand followers happy every day. She is a student, model and an adult actress, based in Prague, Czech Republic.