Singer Katie Melua is unfazed by rumours she is gay - because she likes to keep her fans guessing about her sexuality. Speculation the 23-year-old is a lesbian began when she split from Kooks frontman Luke Pritchard in 2005. But Melua insists she won't bow down to pressure to discuss her sexuality. She says, "People can think whatever they like. I like to keep some mystique around my public image. In a sense the less you give, the better."