YULia and LENa
Though both singers deny this relationship existited there are still many Yulen believers amoung fans around the world. You can find them filling up forums with 'fan-ifctions' that involve the girls being in some sort of loving relationship.
t.A.T.u. fan: " Tatu were forced to portray lesbians by their producer Ivan"
Yulen believer: "No they are pretending to be straight and they still love each other!"