Cla$$y. Why does she keep using Dr. Luke? I mean she has her money and fame.. but she continues to work with a 2-time thieving producer? She's in it for the hits; not for what she should be. Such a shame, wasted talent.
If that break sounds similar at all, it's because it's a common progression. This is hardly any proof of anything being stolen though. If it was more original, then it would be worth the argument (a la "Roar"/"Brave"), but nah, it's not.