...Movies · Circle the Drain其它歌曲I Do Not Hook Up · Peacock (song)巡回演唱凯蒂你好之巡回演唱 (Hello Katy Tour) · 加州的梦之巡回演唱 (California Dreams Tour)个人产品香水系列：Purr · Meow电影Katy Perry: Part of Me ..
abstract:The Hello Katy Tour was the debut concert tour by American recording artist Katy Perry, in support of her second studio album One of the Boys (2008). The tour visited North America, Europe, Asia, and Australia.