Anna Sergeyevna Kournikova (Russian: Анна Сергеевна Ку́рникова; born 7 June 1981) is a Russian professional tennis player who now is a Russian-American citizen. Her celebrity status made her one of the best known tennis players worldwide. At the peak of her fame, fans looking for images of Kournikova made her name one of the most common search strings on the Internet search engine Google.