Christina Aguilera Spoofs Several Famous Pop Stars — but Does She Succeed?

Christina Aguilera did impressions of some of her fellow pop stars in a hilarious video for The Voice, which was posted to YouTube on Tuesday. In the clip, she spoofs Lady Gaga, Miley Cyrus, and Sia, as well as Britney Spears — whom she impersonated earlier this year on The Tonight Show — Cher, whom she worked with in 2010's Burlesque, and Shakira, who replaced Christina as a coach on The Voice in season six. Watch the video above now, and let us know: does Christina nail her pop star impressions?