What to Expect From Tonight's 2013 American Music Awards ET, Katy Perry will open the American Music Awards at the Nokia Theatre in Los Angeles with her latest ballad, "Unconditionally." If that is not enough to get you excited for tonight, Miley Cyrus -- as she is known to do -- will shut things down as the scheduled show closer. After her VMAs performance that is still getting buzzed about, the show's finale could be glorious or weird -- depending on how you look at it. Also set to perform are Justin Timberlake, Taylor Swift, Lady Gaga, Rihanna, Luke Bryan and Florida Georgia Line, with Pitbull hosting the event. For a Full List of Nominees, Click Here Artist of the Year nominees cut across numerous genres, including Macklemore and Ryan Lewis, Bruno Mars, Rihanna, Swift and Timberlake. Swift is also up for Favorite Female Artist in Country and Pop or Rock. Macklemore and Ryan Lewis lead the way, overall, with six nominations. In addition to the awards and the performances, Rihanna will receive the Icon Award, which honors an artist whose body of work has made a huge influence in pop culture around the globe. Take a Sneak Peak at the 2013 American Music Awards Last but definitely not least, TLC will perform and has promised to bring a special guest to join them onstage, so that will be highly anticipated. We'll be live blogging the awards show (at 8 p.m. You can check out our live blog here or click the link below if you're on a mobile device. The module below will automatically update -- no need to hit refresh. If You Are on a Mobile Device, Click Here