Katy Perry in action on stage in a concert entitled The California Dreams Tour 2012 at the Sentul International Convention Center (SICC), Bogor, West Java, on Thursday (19 / 1) night. The singer started the concert tour of California in 2012 in Indonesia by bringing 18 songs, including songs hitsnya, 'fireworks', 'California Gurls', and 'last friday night'. Photo: YouTube / Nurcholis Anhari Lubis viva