Pharrell Williams was in the house to perform his new hit!
- Detroit Academy of Arts & Science's Full Performance of 'Happy'
- Exclusive! Detroit Academy of Arts and Sciences' Reaction to Their Surprise
- Detroit Academy of Arts and Sciences Is Happy
- Pharrell Performs 'Marilyn Monroe'
- Pharrell Williams' Impressive Career
- Pharrell Williams Performs 'Happy'
- Aloe Blacc Performs 'The Man'
- Travie McCoy Performs 'Rough Water' Featuring Jason Mraz
- Demi Lovato Performs 'Neon Lights'
- Nick Cannon Performs 'Me Sexy'