Taylor Swift and Jennifer Lopez perform "Jenny from the Block" live at the Staples Center in Los Angeles, CA on August 24, 2013 as part of the Taylor Swift RED Tour. Taylor named "Jenny From the Block" her 'hairbrush song' - what's your #hairbrushsong?Visit Taylor Swift's YouTube Channel for more videos:http://youtube.com/taylorswiftSubscribe to Jennifer Lopez on YouTube:http://goo.gl/59gOwWDownload #LIVEITUP on iTunes:http://smarturl.it/JLOLITFollow Jennifer Lopez:http://jenniferlopez.comhttp://facebook.com/jenniferlopezhttp://instagram.com/jlohttp://twitter.com/jlo