Jennifer Holliday, who played Effie in the original Broadway production of "Dreamgirls," will perform the show's big number, "And I Am Telling You I'm Not Going," during E! Entertainment Television's "Countdown to the Red Carpet: The 2007 Academy Awards," airing from 9 a.m. to 3 p.m. Feb. 25.



iTunes is currently playing: Can't Let Go from the album Heart Still Beating by Roxy Music.