Journalist Katie Couric; TV personality Kate Gosselin; actress Gabourey "Gabby" Sidibe ("Precious: Based on the Novel "Push" by Sapphire").

Talk-show host Jimmy Kimmel; author Deepak Chopra ("Reinventing the Body, Resurrecting the Soul").

Actress Hilary Swank ("Amelia"); Jay Sean performs; children's Halloween costumes.

Actress Alyson Hannigan ("How I Met Your Mother"); actress Julie Bowen ("Modern Family"); "Dancing With the Stars" contestants Mya and Dmitry Chaplin.

Actor David Spade; actor John C. Reilly ("Cirque Du Freak: The Vampire's Assistant"); Mika performs; a 10-year-old girl raises money for a no-kill animal shelter.

Author Mario Lopez ("Mud Tacos!"); chef Roberto Martin.

Actress Lauren Graham; "So You Think You Can Dance" judge Mary Murphy; OneRepublic performs; a performance by a 4-year-old hip-hop dancer.

Actress Hayden Panettiere ("Heroes"); Angel Taylor performs; "Dancing With the Stars" contestants Aaron Carter and Karina Smirnoff.

Actress Marcia Cross ("Desperate Housewives"); actor Dylan Walsh ("The Stepfather"); dancer Bryan Boyer performs.

Actor Taye Diggs ("Private Practice"); chef Wolfgang Puck; break dancer Justin Kenney performs