Joint Performances

So I loved the the joint performance a few years back when Sheryl performed with the Dixie Chicks. (look how different Sheryl looks!)

http://www.youtube.com/watch?v=3Y-ERKz-ynE

What do you think about her performance with Miley on the recent VH1 divas? (loving Miley's extensions)

http://www.youtube.com/watch?v=WOjRUEyftfA