Masha and Nastya Tolmachevy were born on January 14th 1997. From the age of 6 the girls have been studying in the pop music studio "sverchok". At home, the twins started to sing at the age of 4. The musical tastes of the twins differ from each other. Masha prefers "Larisa Dolina" and "Alla Pugachova" whilst Nastya prefers "Whitney Houston" and "Sarah Connor".
At the age of nine, they won the Junior Eurovision Song Contest 2006 in Bucharest, Romania, with their song Vesenniy jazz. Their song was selected from amongst the 200 singers and bands around Russia that participated in the national selection competition. They received 154 points, beating Belarus that got 129 points.
Not long after the contest in 2007, the sisters appeared in a musical called "The kingdom of crooked mirrors". The twins appeared in the opening act of the first semifinal of the Eurovision Song Contest 2009 on 12 May.
The twins released an album called Polovinki in 2007, and have appeared in a made-for-TV movie in Russia.