Shake, Rattle and Rock! : voice?

was that rene zellwegers real voice? I am pretty sure it's not but I was just wondering.

" the first time in my life that I feel remotely affectionate for her, is when shes dead" igby

no it was notif you read the attached reviews, they all mention, that she was not really singing any of the songsbooo
thanks much for your efforts on my behalf
stay safe
ron