MAVRIXONLINE.COM - Comedian and actor Russell Brand performs at The Roxy Theatre with The Libertines guitarist Carl Barat. The duo debuted songs from Brand’s new comedy movie "Get Him to the Greek". In the film Brand plays rock musician Aldous Snow of the fictitious band Infant Sorrow. Brand, who is engaged to pop singer Katy Perry, wasn't wearing his engagement ring. Los Angeles, CA. 05/24/10. Fees must be agreed for image use.