Sarah Godfrey of The Washington Post reviewed Christina Aguilera’s concert at Verizon Center in Washington, DC on Monday (April 2), suggesting that the singer’s “voice consistently shakes off all haters.” Godfrey writes, “Her impeccable pitch and tone cushioned her nervy performance of ‘Back in the Day’, where she strutted her little blond self across the stage while claiming to be resurrecting the music of Billie Holiday and Marvin Gaye. Her steamrolling over a vocal sample from ’60s singer Betty Harris on ‘Understand’ might read as disrespectful if she didn’t sound so good doing it.” Read more.