Allen: 'i'm Not A Lesbian'.... British pop star Lily Allen has disappointed scores of gay women fans by quashing reports she is a lesbian - and has branded the allegation "weird".The Smile star, who is currently dating Dj Seb Chew, is confused by the rumours surrounding her sexuality, and insists she is straight.She says, "The weirdest rumour I ever heard about myself was that I'm a lesbian."