American singer-actress Katy Perry wows Manila crowd in her concert which held at the SM Mall of Asia Concert Grounds last night Sunday, January 22, 2012. The concert venue was filled with screams and shouts as the 27-year-old pop icon kisses ‘Pinoy Big Brother’s Ivan Dorschner and the guy kissed her back. She also gave some squeeze on the guy’s nipple during the performance. Katy kissed another boy during her concert in Jakarta earlier in the week. This concerts is part of Katy Perry’s Asian Tour.