On Saturday (Jan. 28), blues singer Etta James was laid to rest in in Gardena, California, and at the family's request, Christina Aguilera attended the home- going celebration and honored the singer with a stirring rendition of "At Last".

Clad in all black, Aguilera called James, the "one that cut right through my soul", and this performance reaffirmed that the "Beautiful" star is in a league of her own when she makes a concerted effort to control her vocals. Watch her below:

Yesterday (Jan. 20), after a lengthy struggle with leukemia, legendary diva Etta James died at the age of 73, her manager Lupe De Leo revealed to CNN News.

The Grammy-winner endured numerous set-backs throughout her long career including a two-decade long drug problem, which she finally overcame during a 1988 stay in the Betty Ford Clinic, but her voice still remained a vigorous force.

Peep one of James' final performances and read the touching tribute message from Beyonce, who portrayed her in the 2008 film 'Cadillac Records', below: