Jennifer Hudson

Jessie J and Jennifer Hudson Perform "Knock On Wood"

Jessie J and Jennifer Hudson perform "Knock On Wood" as part of the soul city Memphis tribute at VH1 Divas Celebrates Soul.

Jennifer Hudson

Jessie J and Jennifer Hudson Perform "Knock On Wood"

Jessie J and Jennifer Hudson perform "Knock On Wood" as part of the soul city Memphis tribute at VH1 Divas Celebrates Soul.