Retrieved July 12, 2011.
By March 2013, it had sold over 6 million digital copies in the United States.
Retrieved June 18, 2018.
On the week of August 20, 2011, the song topped the chart, becoming the band's second number-one single and Aguilera's third number-one single, first in almost nine years the last one was the 2002 hit "".
Retrieved August 16, 2020.
Select Songs under "Chart", enter 2012 in the field "Year".