t.A.T.u.

t.A.T.u. (Russian: ?????, pronounced ( listen)) was a Russian music duo that consisted of Lena Katina and Yulia Volkova. The duo was managed by Russian television producer Ivan Shapovalov while in the group Neposedi. The duo were signed to their own production company T.A. Music, following the split with Universal Music Russia, and their sub-labels Interscope Records and Neformat.

source: Wikipedia