Christina Aguilera - It's A Man's Man's Man's World Live At Grammy Awards (11/02/2007) -

: Dressed in a white suit, she performed amidst a heavy white fog, ending the song on her knees in a dramatic display of emotion—a direct nod to Brown’s legendary stage presence.

: While largely praised for its vocal power, some critics at the time, such as CBS News , argued the meticulously "pitch-perfect" performance felt disconnected from the spontaneous, gritty spirit of authentic soul music.

Christina Aguilera 's performance of "" at the 49th Annual Grammy Awards (February 11, 2007) is widely considered one of the most iconic vocal displays in the ceremony's history.