Christina Haack Undergoes Endoscopy After Suffering Stomach Pain

Christina Aguilera Returns to Singing in Spanish on ‘Pa Mis Muchachas’

Christina Aguilera Calls New Spanish Single ‘Pa Mis Muchachas’ an ‘Homage to Women’

Christina Aguilera Debuts Fiery Red Hair in 'Pa Mis Muchachas' Music Video - Watch!