Who is most famous female Russian opera singer?

The most famous Russian female opera singer is probably Anna Netrebko. She has been described as "the most acclaimed opera singer of her generation". Netrebko was born in Krasnodar, Russia in 1971 and began singing at the age of four. She studied at the Rimsky-Korsakov Conservatory in Saint Petersburg and made her professional debut in 1994. Since then, she has performed at some of the world's most prestigious opera houses, including the Metropolitan Opera in New York, the Royal Opera House in London, and the Vienna State Opera. Netrebko has also recorded a number of best-selling albums and has won numerous awards, including three Grammy Awards.