Photo by Rich Polk/Getty Images for iHeartRadio / Turner
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Photo by Frazer Harrison/Getty Images for iHeartRadio / Turner
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Photo by Rich Polk/Getty Images for iHeartRadio / Turner
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Photo by Rich Polk/Getty Images for iHeartRadio / Turner
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Photo by Rich Polk/Getty Images for iHeartRadio / Turner
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Photo by Frederick M. Brown/Getty Images
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Photo by Jesse Grant/Getty Images for iHeartRadio / Turner
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Taylor Swift was a big winner taking home awards in major categories including Album of the Year and Female Artist of the Year at the 2016 iHeartRadio Music Awards on Sunday, April 3. The singer was stunning on the red carpet in a sexy black sequin Saint Laurent jumpsuit and Giuseppe Zanotti booties. Taylor's best friend Selena Gomez took home the triple threat award and showed off her svelte figure in a red cut out jumpsuit by Mugler, Giuseppe Zanotti sandals and a Jimmy Choo clutch. Selena's ex-boyfriend Justin Bieber also won trophies for Male Artist of the Year Dance Song and Fan Army.

Bieber sparked a debate about his newest hairstyle when he paired his grungy jersey with dreadlocks. Nominee Demi Lovato donned an Alexander McQueen pantsuit and Prada heels. Empire star Serayah dazzled in a Nicholas Jebran mini dress. Rapper Iggy Azalea showed off her waist in a crop top and Stuart Weitzman heels. Julianna Hough looked lovely in a Jill Stuart mini dress. Nominee Zendaya also made a fashion statement at the annual event.

Here is the full list of winners :

Album of the Year: 1989 - Taylor Swift - WINNER
Male Artist of the Year: Justin Bieber - WINNER
Female Artist of the Year: Taylor Swift - WINNER
Triple Threat : Selena Gomez – Singer/Actor/Dancer - WINNER
Song of the Year: "Hello" - Adele - WINNER
Most Thumbed Up Artist: Taylor Swift
Best New Artist: Fetty Wap - WINNER
Dance Song of the Year:
"Where Are Ü Now" - Skrillex & Diplo with Justin Bieber - WINNER
R&B Artist of the Year: Chris Brown - WINNER
R&B Song of the Year: "Earned It" - The Weeknd - WINNER
Hip Hop Artist of the Year: Drake - WINNER
Dance Artist of the Year: Calvin Harris - WINNER
Hip Hop Song of the Year: "Hotline Bling" - Drake - WINNER
Innovator Award: U2
Best Tour: Taylor Swift - WINNER
Best Duo/Group of the Year: Maroon 5 - WINNER
Rock Artist of the Year: Foo Fighters - WINNER
Best Lyrics: *Socially Voted Category : "Fight Song" - Rachel Platten - WINNER
Best Fan Army: *Socially Voted Category: Justin Bieber - Beliebers - WINNER
Best Collaboration: *Socially Voted Category : "Uptown Funk" - Mark Ronson featuring Bruno Mars - WINNER
Most Meme-able Moment: *Socially Voted Category :
Taylor Swift's "Crazy Girl" with Running Mascara (from "Blank Space" video) - WINNER
Best Song from a Movie: *Socially Voted Category: "Til It Happens To You" - Lady Gaga (The Hunting Ground) - WINNER