Presenters
The following presented:
- Simon Baker
- Kristen Bell
- Justin Bieber
- Jeff Bridges
- Jonas Brothers
- Stephen Colbert
- Alice Cooper
- Sheryl Crow
- Kaley Cuoco
- Miley Cyrus
- Mos Def
- Plácido Domingo
- Robert Downey Jr.
- Josh Duhamel
- Wyclef Jean
- Norah Jones
- Juanes
- Ke$ha
- Miranda Lambert
- John Legend
- LL Cool J
- Jennifer Lopez
- Ricky Martin
- Lea Michele
- Chris O'Donnell
- Katy Perry
- Lionel Richie
- Adam Sandler
- Carlos Santana
- Ryan Seacrest
- Seal
- Ringo Starr
- Quentin Tarantino
- Keith Urban
Read more about this topic: 52nd Grammy Awards