The latest U.K. sensation writes about neither love nor sex: Caring not even for friends, she’s more gaga on fame than our Lady. Navigating the forks in success’ path with a Hummer-wide vibrato, Marina Diamond casts herself as the Mowgli of her own Hollywood jungle book. Ravishing yet famished for attention, this overachiever would be bloody irritating if she didn’t demonstrate a savvy command of pop hooks. Mall-disco sheen reflects her fascination with the mainstream; new-wave quirks signify her alienation from it.