Stars line up for CNN's Heroes show

　 Actress Jenna Fischer poses as she arrives for the at the Kodak theatre in Hollywood, California, November 21, 2009. (Reuters Photo)
　
　

　 British singer Leona Lewis poses as she arrives for the CNN Heroes: An All-Star Tribute show at the Kodak theatre in Hollywood, California, November 21, 2009. (Reuters Photo)
　


　

　 Singer Carrie Underwood poses as she arrives for the CNN Heroes: An All-Star Tribute show at the Kodak theatre in Hollywood, California, November 21, 2009. (Reuters Photo)
　
　

　 Comedian George Lopez holds a gum rapper in his mouth as he arrives for the CNN Heroes: An All-Star Tribute show at the Kodak theatre in Hollywood, California, November 21, 2009. (Reuters Photo)


　
　

　 Actor Rainn Wilson (L) and television host Randy Jackson bump fists as they arrive for the CNN Heroes: An All-Star Tribute show at the Kodak theatre in Hollywood, California, November 21, 2009. (Reuters Photo)

Actress Jenna Fischer poses as she arrives for the at the Kodak theatre in Hollywood, California, November 21, 2009.