Elena Sergeyevna Katina, better known as Lena Katina, is a Russian singer who gained fame as one half of the pop/electronica duo t.A.T.u. She started her career at the age of eight, joining the Russian children's act Avenue, soon after that joining Neposedy. In 1999, producer Ivan Shapovalov chose Katina and Julia Volkova for his project t.A.T.u. The duo would later become Russia's most successful pop music act. The group produced several hits, including "All the Things She Said", "Not Gonna Get Us", and "All About Us". Their first single, "All the Things She Said", peaked at No. 1 in nineteen countries, including the UK, Russia, and Australia.