American Music Awards 2013 | Show highlights

Singer Katy Perry is joined on stage by multiple performers.  (Kevin Winter / Getty Images)

Singer Chris Daughtry and actress Kristen Bell present an award to Taylor Swift.  (Kevin Winter / Getty Images)

Taylor Swift accepts the award for favorite album ¿ country for “Red.”  (John Shearer / Invision / Associated Press)

Singer Ariana Grande  (Kevin Winter / Getty Images)

Dan Reynolds of the musical group Imagine Dragons  (John Shearer / Invision / Associated Press)

Singer Dan Reynolds of Imagine Dragons takes on the drums.  (Kevin Winter / Getty Images)

Actress Zoe Saldana and singer Marc Anthony prepare to present an award to Rihanna.  (Kevin Winter / Getty Images)

Singer Rihanna accepts the Favorite Soul/R&B Female Artist award.  (Kevin Winter / Getty Images)

From left are One Direction singers Zayn Malik, Liam Payne, Harry Styles, Louis Tomlinson and Niall Horan.  (Kevin Winter / Getty Images)

Taylor Swift announces the award for favorite male artist ¿ pop/rock.  (John Shearer / Invision / Associated Press)

Justin Timberlake accepts the award for favorite male artist ¿ pop/rock.  (John Shearer / Invision / Associated Press)

Musicians Joan Jett and Dave Grohl present an award to Imagine Dragons.  (Kevin Winter / Getty Images)

Musicians Dan Reynolds, Ben McKee, Dan Platzman and Wayne Sermon of Imagine Dragons accept the Favorite Alternative Artist award.  (Kevin Winter / Getty Images)

Singer Marc Anthony accepts the Favorite Latin Artist award.  (Kevin Winter / Getty Images)

Actresses Naya Rivera, left, and Maia Mitchell  (Kevin Winter / Getty Images)

Singer Ariana Grande accepts the Kohl’s New Artist of the Year award.  (Kevin Winter / Getty Images)

Tyler Hubbard, left, and Brian Kelley of the musical group Florida Georgia Line.  (John Shearer / Invision / Associated Press)

Rapper Nelly  (Kevin Winter / Getty Images)

Singer Ke$ha performs onstage with her female entourage.  (Kevin Winter / Getty Images)

Ke$ha is joined by Pitbull as the duo performs at the American Music Awards.  (Kevin Winter / Getty Images)

Singer Justin Timberlake sings a new song during the 2013 American Music Awards.  (Kevin Winter / Getty Images)

Singer Rihanna accepts the AMA Icon Award.  (Kevin Winter / Getty Images)

Singer-actress Jennifer Hudson  (Kevin Winter / Getty Images)

Presenters Akon and Michael Bolton  (Kevin Winter / Getty Images)

Actor Jeremy Renner presents a performance.  (Kevin Winter / Getty Images)

Singer Jennifer Lopez does a medley of tributes to Latina performer Celia Cruz.  (Kevin Winter / Getty Images)

Sweden’s Avicii, after a win at the American Music Awards in November, above, is in contention for track and artist of the year honors at the 2014 Beatport Awards.  (Kevin Winter / Getty Images)

Singer Jennifer Lopez continues her performance in dance mode.  (Kevin Winter / Getty Images)

Ian Axel, left, and Chad Vaccarino, right, of A Great Big World perform with Christina Aguilera.  (John Shearer / Invision / Associated Press)

Lady Gaga sings and acts out an adulterous affair with “President” R. Kelly.  (Kevin Winter / Getty Images)

Singers R. Kelly and Lady Gaga perform.  (Kevin Winter / Getty Images)

Lil Mama performs with singers Tionne “T-Boz” Watkins and Rozonda “Chilli” Thomas of TLC.  (Kevin Winter / Getty Images)

Rapper Lil Mama with singers Tionne “T-Boz” Watkins and Rozonda “Chilli” Thomas of TLC pay homage to the late TLC member Lisa “Left Eye” Lopes.  (Kevin Winter / Getty Images)

Singer Luke Bryan  (Kevin Winter / Getty Images)

Singer Miley Cyrus, with cat-themed attire, sings her “Wrecking Ball” hit.  (Kevin Winter / Getty Images)

Miley Cyrus, with a cosmic kitten in the background, performs her hit “Wrecking Ball” in the finale of the American Music Awards at the Nokia Theatre L.A. Live.  (John Shearer / Invision / Associated Press)