Singer Katy Perry is the latest addition to the Grammy Awards` all-star performer lineup.The Recording Academy announced on Twitter that the pop star would join the February 12 celebration, which Perry also confirmed.The singer is expected to premiere a new song called "Chained to the Rhythm" featuring Skip Marley on Friday and it is likely that this could be the number she performs at Sunday`s Grammy Awards, reported Billboard.The 32-year-old songstress joins a long list of performers that includes Beyonce, The Weeknd, Daft Punk, Adele, John Legend, Metallica, Carrie Underwood, Bruno Mars, Keith Urban, John Legend, Anderson .Paak, A Tribe Called Quest and others.