Maria Vyacheslavovna Gusarova (Russian: Мари́я Вячесла́вовна Гуса́рова; after marriage — Bogoyavlenskaya; Russian: Богоявле́нская; born 17 August 1993, Pokhvistnevo, Samara Oblast, Russia), better known under the stage name Mary Gu (Russian: Мэ́ри Гу), is a Russian singer, poet & blogger.