Part Of Me is #7 and there will be 2 more songs on the album, and maybe one of those will go #1 (if Dressin Up is on the re-release, there's no way she'll get that to go #1). We probably won't get another era until late 2013. Katy's not infamous for a ton of collaborations that's she's featured on either like Rihanna, so I don't see 10 occurring. I think she'll hit 8, MAYBE 9 by June 2013. I just can't see both songs from the re-release AND another one hitting #1 in the next year unless she rushes into the next era.