Are Lena Katina and Yulia Volkova of t.A.T.u. lesbians?

Lena Katina and Yulia Volkova of t.A.T.u. are NOT lesbians, they are bisexuals, and they were a married couple once, but then Yulia met Parvis, Lena and Yulia got a divorce, and Yulia had kids with Parvis. although Lena admits she still loves Yulia but trys to be happy for Yulia and Parvis