Previa das músicas de Teenage Dream

Na internet cairam a previa das musicas do disco teenage dream de katy perry e as musicas são :
1.Teenage Dream
2.Last Friday Night ( t.G.I.F)
3.California gurls
4.Firework
5.peacock
6. Circle The Drain
7.The One That got Away
8. E.T
9. who am i living for
10.pearl
11.Hummingbird heartbeat
12.Not Like The movies