Credit: Dave J Hogan/Getty Images Photo: Christina Aguilera Performs at the Michael Forever Concert in the UK on October 8, 2011

We know that Sunday's the day of rest, but a little flashback never hurt no one! 

The Voice judge Christina Aguilera left little to the imagination during her cover of Michael Jackson's "Dirty Diana" at the Michael Forever tribute concert in Cardiff on October 8, 2011.

The ensemble was later blasted by E!'s Fashion Police, and Kelly Osbourne in particular. 

But what did you think of her racy getup? So sexy or too much? Vote below!


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