Pictures of Oksana Pochepa who claims she is Mel Gibson's alleged mistress, Oksana Pochepa, the Russian pop singer who last night claimed to be the mystery girl blamed for ending MEL GIBSON’s marriage, Oksana Pochepa Akula - Sexy Russian singer and model Sexy photos, Oksana Pochepa says she has been carrying on an affair with Mel Gibson. She's fallen for the movie star.