The comedian and the singer, among other celebs, both sign on for Hurricane Katrina relief efforts. Plus: George Clooney, Mischa Barton and more

CITY LIGHTS

Unlikely duo Kid Rock and Stevie Wonder close out the World Music Awards with Wonder's urban epic "Living for the City," which was performed as a tribute to the late pioneering musical engineer Robert Moog. The show will air on ABC on Sept. 13.