Iggy Azalea and Fall Out Boy have been confirmed to appear at a pre-Grammys show.

The two acts will perform at the Ace Hotel in Los Angeles for the Universal Music Group on Saturday (February 7).

Shawn Mendes and Maddie & Tae will also take to the stage.

The main Grammys are taking place on Sunday (February 8) at Los Angeles' Staples Center.

Its line-up will see acts such as Madonna, AC/DC and Lady Gaga perform live.

Other names confirmed include Rihanna, Kanye West, Sir Paul McCartney and Sam Smith.

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Watch Iggy Azalea perform live below: