Britney, 'N Sync, Mariah, Elton Pitching In For "Help-A-Thon"

Britney Spears and 'N Sync are among the high-profile artists who will encourage young people to pledge their time to volunteer work via Nickelodeon's 6th annual "Big Holiday Help-a-thon."

The bi-coastal event will feature those artists as well as the A*Teens, My Town, and Aaron Carter performing at a pre-taped "Holiday Jam" in Los Angeles. Live segments will be broadcast from a dance party in New York City (see "Britney Spears Plans TV Appearances, DVD/Video, New Album").

Big Help spokesperson Mariah Carey and Elton John are among the artists who will appear in segments discussing their personal experience with performing volunteer work.

"The Big Help-a-thon" is scheduled to air Saturday, December 11 from 8 to 10 p.m. (ET) on the Nickelodeon network.

For lots more Britney, don't forget to check out the MTV News Online feature "Britney Spears: Britney's

New Moves".

-- Brian Ives