Actor Ed Helms; Jewel performs.
Actor Mark Ruffalo; Scrabble champions; Reggie Watts performs.
Actress Alyssa Milano; actor Chris "Ludacris" Bridges; Darius Rucker performs.
Actor Ethan Hawke; TV personality Desiree Hartsock; Thirty Seconds to Mars performs.
Musician Adam Levine; actress Alice Eve; Bad Rabbits perform.
Actor Chris Pine; actress Connie Britton; Dawes performs.
Professional basketball player Jason Collins and his brother Jarron; producer J.J. Abrams; Huey Lewis and the News perform.
Mel Brooks; "Science Bob" Pflugfelder; The Airborne Toxic Event performs.
Actress Zoe Saldana; sports columnist Bill Simmons; Fitz & The Tantrums perform.
Actor Robert Downey Jr.; actor Simon Pegg; Goo Goo Dolls perform.