The 1st iHeartRadio Music Awards and its Winners

The first annual iHeartRadio Music Awards ceremony took place tonight, on May 1st, in Los Angeles.

Pharrell, Shakira, Pitbull, Ariana Grande, Kendrick Lamar, 30 Seconds to Mars, Usher and few more megastars performed at the festival. Presenters included Lionel Richie, Selena Gomez, and Gwen Stefani. 

Tonight's nominees competed for a very special award – the iHeartRadio Instagram award. Music's biggest names were nominated in different categories, such as  'best song of the year', 'best collaboration', 'best artist of the year',  and 'best fan army'. 

See the list of winners below:  

Artist of the Year: Rihanna

iHeart Innovator Award: Pharrell Williams

EDM Song of the Year: Avicii & Aloe Blacc, “Wake Me Up”

Country Song of the Year: Blake Shelton, “Boys ‘Round Here”

Song of the Year: Rihanna, “Stay”

Alternative Rock Song of the Year: Imagine Dragons, “Demons”

Young Influencer Award: Ariana Grande

Instagram Award: Austin Mahone

Best New Artist: Lorde

Best Lyrics: Miley Cyrus, “Wrecking Ball”

Best Collaboration: Pitbull feat. Kesha, “Timber”

Hip Hop/R&B Song of the Year: Rihanna, “Pour It Up”

Best Fan Army: Rihanna, Rihanna Navy