Katy Perry. Teenage Dream. Hummingbird Heartbeat. 케이티 페리. 꿈 십대. 벌새 하트.
... so sweet When you give me the hummingbird heartbeat Hummingbird heartbeat Oh, oh, hummingbird heartbeat, hey, yeah Oh, oh, hummingbird heartbeat, hey, yeah Oh, oh, hummingbird heartbeat Oh, oh, hummingbird heartbeat
...