Christina Aguilera seems to be at top vocal form during her ongoing The X Tour. The ‘Bionic’ singer, who’s in the middle of her first world tour since 2007’s Back To Basics, has warmed up to give us the mid 2000’s vibe with her belting abilities back at full force. In a number of her … “Watch: Christina Aguilera Slays With Her Vocals During The X Tour”
