Singer Katy Perry wants her ex-husband Russell Brand back in her life aftertheir separation. The couple tied a knot in a traditional Hindu ceremony in India in 2010 butparted ways due to irreconcilable differences. After Katys performance in the opening ceremonyof IPL season five, she began missing Brand much more. "Katy's been trying to get him back!She's a lost soul right now," a source said.