MTV today announced that Sir Rod Stewart, one of the best-selling artists of all-time and a two-time Rock and Roll Hall of Fame Inductee, will perform with multi-platinum selling group DNCE for the re-imagined version of the iconic disco song, "Da Ya Think I'm Sey," at the 2017 "VMAs." IN addition, Grammy nominated singer/songwriter Demi Lovato will perform "Sorry Not Sorry." The song , from her highly anticipated sixth studio album, has quickly proven to be one of the biggest hits of the year. Both performances will be braodcast from Las Vegas in a special remote performance feture presented by Pepsi. The 2017 "VMAs" will air live from the "Fabulous Forum" in Inglewood, CA on Sunday August 27th at 8:00 pm ET/PT.