Carrie Underwood, Martina McBride Join Fashion Concert

Carrie Underwood and Martina McBride are among the artists who will perform at the fourth annual Fashion Rocks concert in New York City on Sept. 6. Held as part of Fashion Week, the concert will air as a two-hour special the following night on CBS. Other artists on the bill include Aerosmith, Fall Out Boy, Fergie, Jennifer Hudson, Alecia Keys, Avril Lavigne, Jennifer Lopez, Ludacris and Santana. Actor Jeremy Piven will host.