Rihanna searching a date for Katy Perry

London, Feb. 27 -- Pop sensation Rihanna is nowadays busy in hunting for a suitable man for her pal KatyPerry who is still struggling to get over after her split from Russell Brand.The R&B; singer, who is very close to Katy, doesn't want her to waste time being upset over Russell andhopes to help her get over her 14-month marriage to Brand by getting her back on the dating scene, theFemalefirst reported.In order to help the Firework" hitmaker, Rihanna is telling her that she'll start setting her up,according to a source."Katy has been very upset about the divorce. She never expected it to end and now she's dealing withthe aftermath. But her friends are telling her to get back out there and date, the source said.