Taylor Swift, Justin Bieber Are the iHeartRadio Music Awards' Big Winners

America's largest radio promotional event, the iHeartRadio Music Awards, took place Sunday night, and the big winners included Taylor Swift, Justin Bieber and Drake.

Taylor Swift won Female Artist of the Year, Album of the Year for 1989, Best Tour and Most Meme-able Moment for looking crazy in her "Blank Space" music video. Justin Bieber won Male Artist of the Year, Best Fan Army and Dance Song of the Year for "Where Are Ü Now," his collaboration with Skrillex and Diplo.

Drake won Hip Hop Artist of the Year and Hip Hop Song of the Year for "Hotline Bling."

Watch Katy Perry and Dolly Parton duet at the ACM Awards

The show took place at the Forum in Los Angeles and was hosted by Jason Derulo. Performers included Justin Bieber, Meghan Trainor and Zayn Malik.

Here's the full list of winners:

Album of the Year: 1989 - Taylor Swift

Male Artist of the Year: Justin Bieber

Female Artist of the Year: Taylor Swift

Song of the Year: "Hello," Adele

Best Duo/Group of the Year: Maroon 5

Dance Song of the Year: "Where Are Ü Now," Skrillex & Diplo with Justin Bieber

Best New Artist: Fetty Wap

Best Tour: Taylor Swift

Dance Artist of the Year: Calvin Harris

Triple Threat: Selena Gomez

R&B Artist of the Year: Chris Brown

R&B Song of the Year: "Earned It," The Weeknd

Hip Hop Artist of the Year: Drake

Hip Hop Song of the Year: "Hotline Bling," Drake

Country Song of the Year: "Buy Me a Boat," Chris Janson

Country Artist of the Year: Luke Bryan

Alternative Rock Song of the Year: "Stressed Out," Twenty One Pilots

Alternative Rock Artist of the Year: Twenty One Pilots

Rock Song of the Year: "Heavy Is The Head," Zac Brown Band feat. Chris Cornell

Rock Artist of the Year: Foo Fighters

Best Lyrics: "Fight Song," Rachel Platten

Latin Artist of the Year: Pitbull

Latin Song of the Year: "El Perdón," Nicky Jam & Enrique Iglesias

Regional Mexican Artist of the Year: Banda Los Recoditos

Regional Mexican Song of the Year: "Levantando Polvadera," Voz de Mando

Best Fan Army: Justin Bieber - Beliebers

Best Collaboration: "Uptown Funk," Mark Ronson feat. Bruno Mars

Most Meme-able Moment: Taylor Swift's "Crazy Girl" with Running Mascara (from "Blank Space" video)

Best Cover Song: "Uptown Funk," Fifth Harmony, Jasmine V, Jacob Whitesides and Mahogany Lox covering Mark Ronson feat. Bruno Mars

Best Song from a Movie: "Til It Happens To You," Lady Gaga (The Hunting Ground)

Watch Justin Bieber's performance of non-nominated songs "Love Yourself" and "Company."