From JJJ:

Demi Lovato wore a gorgeous strapless LBD dress while she announced at the 2010 American Music Awards Nominations held at The Mixing Room inside the JW Marriott Los Angeles at L.A. LIVE on October 12.

In case you haven’t heard, check out Demi’s new song, “Work of Art,” which will be featured on the new Sonny With A Chance soundtrack.