Ann & Nancy Wilson are one of the surprise guests on VH1's Diva's!!  They will be performing with Grace Potter and the Nocturnals. 

<a href="http://www.heart-music.com/articles.html?n_id=343">via Heart's own website</a>

<img src="http://www.heart-music.com/templates/default/images/header_news.jpg" width="640" alt="heart" />

Bring on the awesome vocal power power power!