Actress Emily Blunt; actor David Bianculli.

Comic George Lopez.

Musician Paul Shaffer; actress Shohreh Aghdashloo.

Actor Joel McHale; The Swell Season performs.

Actor Michael Sheen.

Actress Robin Wright; chef Wolfgang Puck.

Actress Maria Bello; actor Peter Capaldi; Ben Harper and Relentless7 perform.

Comic Margaret Cho; race car driver Carl Edwards.

Actor Neil Patrick Harris; David Gray performs.

Actress Sandra Bullock; actor Ben Foster.