Comic Joan Rivers; musician Emilio Estefan.

Actress Rachel Weisz ("Those Lovely Bones"); author Sara Evans ("The Sweet By and By").

Actor Rocky Carroll ("NCIS").

A day of hot topics.

Actress Maggie Gyllenhaal; Mary J. Blige performs.

Actress Susan Sarandon ("The Lovely Bones"); actress Bryce Dallas Howard ("The Loss of a Teardrop Diamond").

Actress Emily Blunt ("The Young Victoria"); the cast of Broadway's "Memphis" performs.

Alicia Keys performs; actresses Vera Farmiga and Anna Kendrick ("Up in the Air").

Actors Sigourney Weaver ("Avatar"); rapper Snoop Dogg.

A day of hot topics; news anchor Charles Gibson.