Queen of Hip Hop Soul Mary J. Blige graced the ‘Idol’ stage moments ago with her regal talent, lending a live rendition of the Rick Ross-assisted cut ‘Why’.  Lifted from her latest album ‘My Life 2’, Blige guested tonight and last night’s Whitney Houston/Stevie Wonder themed episode of the hit reality talent show, coaching the superstar hopefuls in their performances of ‘I Will Always Love You’, ‘I’m Your Baby Tonight’, ‘Superstition’, and more.

After imparting advice last night, the R&B vet took to the stage tonight to show ’em how it’s done.  Get into the action below:

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