Christina Aguilera belted out Etta James’ signature song ‘At Last’ at the legendary singer’s memorial yesterday.  The 31-year-old singer always considered James her musical inspiration and wanted to honor her as family and friends of James gathered in Gardena, California.

Aguilera showing a lot of cleavage belted out a moving rendition to the R&B singer.  It is reported that Aguilera sings ‘At Last’ at each of her performances in honor of her ‘role model.’

James passed away on January 20 at age 73 from chronic leukemia.  The acclaimed singer was also honored by Stevie Wonder and eulogized by the Rev. Al Sharpton.

CLICK HERE to watch video.