Taylor Swift, Katy Perry and Pink are among the artists set to perform at the Grammy Awards later this month.
The "Just Give Me a Reason" hitmaker is set to perform the duet, nominated for Song of the Year, with indie rocker Nate Ruess from FUN, while Katy will sing her recent hit "Roar" at the 56th ceremony at Staples Center in Los Angeles on January 26.
"Everything Has Changed" singer Taylor, who is nominated for Album of the Year, Best Country Song, Best Country Duo/Pop Performance and Best Country Album, will also take to the stage.
Other performers will include Kendrick Lamar, Metallica, Imagine Dragons, T.I., Macklemore and Ryan Lewis, and Robin Thicke, who will sing his hit "Blurred Lines" alongside the '70s and '80s band Chicago, whose "The Chicago Transit Authority" album was inducted into the Grammy Hall of Fame this year.
Justin Timberlake will perform at the American Music Awards 2013.
The 32-year-old star will take to the stage on November 24 at the Nokia Theatre in Los Angeles where he will perform for the first time as a solo artist - after last performing at the event with his band 'N Sync in 2000.
Other music legends who will entertain crowds on the night include Miley Cyrus, Florida Georgia Line, Luke Bryan, Lady Gaga, Kendrick Lamar and One Direction.
The ceremony will be hosted by 32-year-old Pitbull who is also set to perform his new single "Timber" with 26-year-old Ke$ha.
Lady Gaga will perform at the American Music Awards next month.
The "Applause" singer will join Miley Cyrus in the line-up of stars who will take to the stage at the ceremony held at the Nokia Theater in Los Angeles on November 24. The announcement follows reports that One Direction are set to make their on-stage debut at the annual awards, and it's highly likely the boys - Harry Styles, Zayn Malik, Liam Payne, Louis Tomlinson and Niall Horan - will perform their new single "Story of My Life," taken from their third album Midnight Memories, which is due for release a day later.
"Thrift Shop" hitmakers Macklemore & Ryan Lewis are also confirmed to perform at the AMAs after previously leading the nominations with six nods, including consideration for Artist of the Year, Single of the Year and New Artist of the Year.
Following closely behind is Justin Timberlake, who has been named in five categories, as has "I Knew You Were Trouble" singer Taylor Swift. Other highly anticipated performances on the night will include Kendrick Lamar, who made waves this year with breakthrough album Good Kid, M.A.A.D. City, and country star Luke Bryan.
Lady Gaga is releasing a new track, "Partynauseous," next month. The song is a collaboration between the "Born This Way" hitmaker and rap star Kendrick Lamar.
"I am so excited to announce that a record I've been working on has now become a collaboration with Kendrick Lamar for HIS ALBUM (sic). Kendrick Lamar and I are dropping the record September 6. It's called 'Partynauseous,'" she wrote on her Twitter.
Gaga explained her part of the song is based on an incident earlier this year, when she was banned from performing in Jakarta, Indonesia, on her "Born This Way Ball" tour after hardline extremists in the Muslim country complained her sexy clothes and dance routines would corrupt young people. "I wrote 'PARTYNAUSEOUS' about Jakarta, and my relationship with that country (sic). Wishing I could 'get high with the enemy' and make peace (sic). Once @kendricklamar + I started talking about life + his forward thinking views about love + hip hop, the song became something more (sic)," she added.
Eminem has recorded a track with Lady Gaga.
The "Love the Way You Lie" rapper has written a new song, "Street Lights," with the singer, which also features New York rapper Kendrick Lamar. "Yeah, I got this crazy record with Gaga and Kendrick for the upcoming LP. Its called 'Street Lights', and its just a real upbeat record," Eminem told MTV.
Tupac Shakur helped close the Coachella festival last Sunday - 16 years after his death.
The rapper - who was shot dead in a gang killing in 1996 - appeared on stage as a hologram to perform with Snoop Dogg and Dr. Dre at the annual festival in California.
He gave a spooky rendition of "Hail Mary" before duetting with Snoop on "Ain't Nothin' Like A Gangsta Party," before leaving the festivalgoers with the line, "Coachella, I wanna say thank you for all the love over the years."
The Tupac hologram drew mixed reactions from fans, with one saying it was "wrong on so many levels."
Another person, however, wrote on Twitter, "This is dope," while someone else added, "I told y'all Tupac wasn't dead! (sic)"
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