Released: October 18, 2011
Chart Peak: Number One (Four weeks)
Has there ever been a better year to have low self-esteem than 2011? From Gaga's "Born This Way" to Pink's "Fuckin' Perfect," pop music was so relentlessly inspirational that over-empowered people across America were running out of goals to achieve. Fortunately, there were still a few million plastic bags and houses of cards left for Perry to pep talk even this late in the year.