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Grammy Awards 2015 Preview: Winners Sam Smith Among Performers In Sunday's Star-Studded Show

Pop star Taylor Swift (L) and British soul-pop artist Sam Smith perform during the 42nd American Music Awards in Los Angeles, California, on Nov. 23, 2014. Swift and Smith are among the Grammy nominees in the top categories announced by the Recording Academy. | REUTERS/Mario Anzuoni/Files

Stars will arrive at the Staples Center in Los Angeles on Sunday for the 57th annual Grammy Awards, which promises to bring an exciting show featuring performances from Katy Perry, AC/DC and Ariana Grande.

Perry, nominated for Best Pop Duo/Group Performance and Best Pop Vocal Album, will sing "By Grace Of God" from her album "Prism."

Besides the three, other performers include Beck, Tony Bennett, Mary J. Blige, Eric Church, Brandy Clark, Common, Herbie Hancock, Hozier, Jessie J, Tom Jones, Juanes, Lady Gaga, Miranda Lambert, Lang Lang, John Legend, Annie Lennox, Adam Levine, ELO, Madonna, Paul McCartney, Chris Martin, John Mayer, Questlove, Rihanna, Ed Sheeran, Sia, Sam Smith, Gwen Stefani, Usher, Kanye West, Pharrell Williams and Dwight Yoakam.

The awards show, to be hosted by LL Cool J, will also showcase star presenters – from previous winners and current nominees to movie and TV stars.

They include Dierks Bentle, actor and late night TV host James Corden, Miley Cyrus, actor Josh Duhamel, Academy Award and Grammy winner Jamie Foxx, Grammy winner Barry Gibb, Dave Grohl, Jennifer Hudson, Enrique Iglesias, Nick Jonas, Anna Kendrick, Shia LaBeouf, Katharine McPhee, Nicki Minaj, Gwyneth Paltrow, Pentatonix, Smokey Robinson, Nile Rodgers, Gina Rodriguez, Ryan Seacrest, Taylor Swift, Meghan Trainor, Keith Urban, Stevie Wonder, and the Weeknd.

Swift said she would not be performing at the Grammys, citing her tour as the reason.

"A lot of you have been asking about the Grammys this week and I just wanted to give you an update," she wrote on Tumblr. "I'm really excited to be nominated for three Grammys this year and even more excited that I'll be there having a dance party/rage fest in the audience. I will also be presenting the award for Best New Artist."

She said, "Since my whole life is wrapped up and entangled in the planning of The 1989 World Tour right now, I'm not going to be performing on the Grammys this year. I need this time to focus only on the tour. I hope I'll see you out there at one of the stadiums this summer having a rage fest of your own!"

A day before the show, Clive Davis and The Recording Academy's Pre-Grammy Gala was held Saturday in Beverly Hills.

Sony/ATV Music Publishing chairman and CEO Martin Bandier was honored with the President's Merit Award.

Performers included Iggy Azalea, Mary J. Blige, Jennifer Hudson, John Legend, Aloe Blacc, Johnny Mathis, Pentatonix, Sam Smith, Meghan Trainor, Pharrell Williams. Barry Gibb, Carole King, Miguel, Smokey Robinson and Rita Ora.