Country singer-songwriter Luke Bryan has also been added to the lineup for the one-hour telecast. He joins previously announced performer Maroon 5.
The Grammy nominations concert telecast will air live from Nashville's Bridgestone Arena on Wednesday, Dec. 5 at 10 p.m. on CBS. Nominees in numerous categories will be unveiled during the broadcast for the 55th annual Grammy Awards, taking place Sunday, Feb. 10th, 2013.
This would be the fifth Grammy nominations concert. LL Cool J has hosted the telecast since it began in 2008, with Swift co-hosting its first year.