i think if Dark Side is Katy's single, it'll will probably be more successful than it's current situation now. no shade but i think Katy is more of a household name than Kelly atm tho.
Call Me Maybe +3
Somebody That I Used To Know +23
Payphone +131
Where Have You Been +59
Scream +59
Boyfriend +51
Lights +89
Wide Awake +123
Titanium +83
The Fighter +46
Give Your Heart A Break +8
One Thing +41
Let's Go +81
