Sia joining Christina Aguilera & Cee Lo on ‘The Voice’, touring w/ Oh Land (dates)Sia joining Christina Aguilera & Cee Lo on ‘The Voice’, touring w/ Oh Land (dates)"The Voice" is about to sound even sweeter now that Reba McEntire, Monica and other music favorites are joining the NBC singing competition...BrooklynVegan StaffBrooklynVegan Staff
