United States (RIAA) Platinum certification with 1,100,000 sales.
The song debuted on the US Billboard component chart Bubbling Under Hot 100 Singles at number 5. Three weeks later, it entered the primary Hot 100 chart at number 79; having climbed to number 50 in the following week. It rose fifteen spots one week after, giving the track the title of "Greatest Digital Gainer" for that chart issue.
The song debuted at number 63 on the UK Singles Chart. After seven weeks on the chart, the song peaked at number 27.
The song did not chart in New Zealand, becoming Perry's only single not to chart there.
David Balls from Digital Spy described the track as a "serious offering designed to show off her vocal and songwriting talents", and compared it to the catalogs of Alanis Morissette and band Evanescence.