The second year of the iHeartRadio Music Awards brought the biggest names in entertainment to the Shrine Auditorium in Los Angeles to celebrate fans and all things music on March 29. The awards featured performances and incredible collaborations including Iggy Azalea and Jennifer Hudson, Nick Jonas, Sam Smith, Madonna with surprise special guest Taylor Swift, Jason Aldean, Jamie Foxx and Chris Brown, Meghan Trainor, Jason Derulo, Kelly Clarkson, Snoop Dogg and Charlie Wilson, Nate Ruess, Florida Georgia Line and the world premiere performance of the new Rihanna song “Bitch Better Have My Money.” Taylor Swift was the night’s big winner with three awards, including ‘Song of the Year’ and ‘Artist of the Year’, while Justin Timberlake received the most prestigious award of the evening, the 2015 iHeartRadio Innovator Award.

Category winners were:

Artist of the Year: Taylor Swift

Song of the Year: “Shake It Off” – Taylor Swift

Best Collaboration: “Bang Bang” – Jessie J + Ariana Grande + Nicki Minaj

Best New Artist: Sam Smith

Country Song of the Year: “Burnin’ It Down” – Jason Aldean

Hip Hop/R&B Song of the Year: “Don’t Tell ‘Em” – Jeremih featuring YG

Dance Song of the Year: “Summer” – Calvin Harris

Alternative Rock Song of the Year: “Take Me to Church” – Hozier

Best Lyrics: “Blank Space” – Taylor Swift

Best Fan Army presented by Taco Bell®: 5SOSFAM – 5 Seconds of Summer

Renegade Award presented by the All New 2015 Jeep Renegade: Brantley Gilbert