Блондинка Ксю (Xu Blonde) was born on August 21, 1982 in Gorky Town. Her real name is Ксения Сидорина (Xenia Sidorina). She began her musical career with the female punk-band Alter agO – a Nirvana covers band – in 1997. Then in 2000 she joined LADY-F (ex-Lady-Freddy), who released a split with Лампасы (Lampasy) in 2004. Meanwhile Ксю had also joined another band, famous ska-punk collective Элизиум (Elysium).