Katy Perry's close friend Rihanna was not present at her wedding to Russell Brand this weekend, according to reports.E! says that the 'Only Girl (In The World)' singer and boyfriend Matt Kemp were invited to the lavish Indian ceremony, but did not attend.A source close to baseball player Kemp told the network that the couple's absence was down to "a last-minute change of plans" which created a conflict in Rihanna's work schedule.The insider explained: "He was telling me [last] Saturday that he was leaving the country for a week with Rihanna. But then on Tuesday, he told me they weren't going."Rihanna was rumoured to be Perry's maid of honour, and previously hosted a Las Vegas bachelorette party for the 'Teenage Dream' performer.A spokesperson for Rihanna did not comment on the reports.
