The trio will reportedly hand out trophies alongside Ke$ha, LL Cool J, Norah Jones, Ricky Martin, Carlos Santana and Ringo Starr.
Other stars who will take to the stage include Kristen Bell, Jeff Bridges and Josh Duhamel.
Lady GaGa, Green Day, Pink, Taylor Swift and Beyoncé are among the performers who have previously been announced.
The 52nd annual Grammy Awards will air on CBS on January 31.
> Click here for a list of nominees for the Grammy Awards