Grammy officials say the pop star will join LL Cool J as hosts of the Dec. 5 special, airing live on CBS from Bridgestone Arena in Nashville, Tenn. This is the first year the nominations special has been broadcast from Music City.
Grammy officials also announced Monday that rising country star Luke Bryan has been added to the telecast as a performer, joining Maroon 5 as the only acts announced so far. More performers will be revealed at a future date.
Swift has won six Grammys. She released her latest album, "Red," last week.
The 55th annual Grammy Awards will be held Feb. 10 in Los Angeles.