Christina Aguilera at Voltaire: Las Vegas Residency Set List Revealed After Opening Night!

Christina Aguilera rocks black mini skirt and boots as she rings in her 43rd birthday at Kylie Minogue's residency show in Las Vegas: 'Sin city bday'

Christina Aguilera Teases Vegas Residency With Rehearsal of Rare ‘Burlesque’ Song

Christina Aguilera Rings in 43rd Birthday in Vegas With Daughter Summer