Singer Ciara attends the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California.

Actress Hailee Steinfeld (L) and recording artist Shawn Mendes attend the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California.

Singer Celine Dion attends the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California.

Recording artists Meghan Trainor (L) attends the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California.

TV personality Jenny McCarthy, recording artists Donnie Wahlberg and Paula Abdul attend the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California.

Recording artist Sean 'Diddy' Combs attends the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California.

TV personality Jenny McCarthy (L) and recording artist Donnie Wahlberg attend the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California.

Actresses Rebel Wilson (L) and Hailee Steinfeld attend the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California.

Recording artists Tove Lo (L) and Nick Jonas attend the 2015 American Music Awards at Microsoft Theater on November 22, 2015 in Los Angeles, California.