Jennifer Lopez, Aerosmith, Usher and Alicia Keys are among the stars confirmed to play this year's (07) Fashion Rocks concert in New York City. Avril Lavigne, Fall Out Boy, Fergie and Ludacris are also scheduled to perform at the annual Radio City Music Hall event, which celebrates the ties between the worlds of music and fashion. The 6 September (07) concert will be hosted by Entourage actor Jeremy Piven.