Mattek, female, born on March 23, 1985 in Rochester, USA, is a famous American tennis player. She entered professional tennis in 1999 and has a very famous name among Chinese fans - Golden Milk. He once shocked the sports world with his "all-gold outfit". Because she wears fashionable and avant-garde clothes during games and is a fan of GaGa, she calls herself the tennis version of Lady GaGa.