Pop trends moving too fast for you? Get ready for the latest: teenage lesbians—from Russia. It took a psychologist turned ad exec to come up with the idea of one-upping Britney Spears softcore pop. With Lena Katina and Julia Volkova performing in panties and tiny tank tops and professing sapphic love, svengali Ivan Shapovalov knows he’s on to a good thing. Tatu’s western debut—featuring electronica like “Not Gonna Get Us” and a cool cover of The Smith’s “How Soon is Now?”—is this winter’s biggest buzz.