In 2005–2008 she was the vocalist and drummer of the band "Ranetki", and also starred in the television series of the same name produced by the STS channel.

In the same year she took part in the recording of the album "Lords of the Universe" ("Властелины Вселенной") of the Moscow punk rock band "Tarakany!"

[2] 1 November 2008 Lera gave the last concert as part of the band "Ranetki", which is in the Luzhniki Palace of Sports.

In the fall, the premiere of the debut album was expected which has been given the tentative title "My Summer Rain" ("Мой Летний Дождь"), but the release never took place.

In 2010, clips were released for the songs "She-Wolf" ("Волчица"), "Unpleasant" ("Неприятно"), "Safe Sex" ("Безопасный Секс").

In July 2011, together with the bands "Nerves" and "Khaki" ("Хаки") went on a joint tour "Summer, swim trunks, rock 'n' roll!"

On 5 November, on her Instagram, Valeria announced that on 2 December in Nizhny Novgorod, the last concert with her participation as part of the band "5sta Family" will be held.

In May 2017, former members of the band "Ranetki" created the YouTube channel KURAGA, dedicated to their life after the end of the group.

In parallel with this, the girls began work on the reunion of the band (consisting of Kozlova, Tretyakova, Ogurtsova, Baydavletova, Rudneva).