Christina Live singing her hit "Back in the Day" at her Back to Basics concert at the Allstate Arena
Christina live @ the Allstate Arena on April 21, 2007. Good Quality
Christina Live @ the Allstate Arena on April 21, 2007
Christina Live at the Allstate Arena in Chicago on April 21, 07
Christina Aguilera At the Allstate Arena on April 21, 2007
Christina Live @ the Allstate Arena on April 21, 2007