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OTRC: iHeartRadio Music Awards 2014: full list of winners

Recording artists Melanie Brown and Rihanna accepts the award for Best Fan Army onstage during at the iHeartRadio Music Awards held at the Shrine Auditorium in Los Angeles on May 1, 2014. (Mark Davis/NBC)

Winners of the iHeartRadio Music Awards 2014 were announced on Thursday, May 1, in Los Angeles and Rihanna came out a big winner.

The 26-year-old singer won four awards including Artist Of The Year and Song Of The Year for her duet "Stay" with Mikky Ekko. Her fans, known as the Rihanna Navy, also won the title of "Best Fan Army" at the ceremony.

"It's not easy what we do. It's very difficult at times," Rihanna said. "It's a lot of pressure to be a lot of things, and I've never felt comfortable being anything other than myself - and I just thank my fans for being supportive."

Pharrell was also a big winner of the night. The producer and singer, who also performed at the ceremony, was honored with the Innovator Award.

"I never dreamt in a million, million, million years as a producer that I would be standing here as an artist," he said during the ceremony. "All I did was write the songs and you guys did all the heavy lifting, all the hard work."

Pharrell performed a medley of songs including his current hit "Happy."

Check out a full list of winners of the iHeartRadio Music Awards 2014 below.

Hip Hop/R&B Song Of The Year
"Pour It Up" Rihanna -- WINNER
"Holy Grail" JAY Z feat. Justin Timberlake
"Hold On We're Going Home" Drake feat. Majid Jordan
"Blurred Lines" Robin Thicke feat. T.I. & Pharrell
"Started From The Bottom" Drake

Best Collaboration
"Timber" Pitbull feat. Kesha -- WINNER
"Stay" Rihanna feat. Mikky Ekko
"Suit & Tie" Justin Timberlake feat. JAY Z
"The Monster" Eminem feat. Rihanna
"Holy Grail" JAY Z feat. Justin Timberlake

Best New Artist
Icona Pop
Lorde -- WINNER
Imagine Dragons
Macklemore & Ryan Lewis
Florida Georgia Line

Best Lyrics
"I Love It" Icona Pop
"Wrecking Ball" Miley Cyrus -- WINNER
"Say Something" A Great Big World
"Wake Me Up" Avicii
"Same Love" Macklemore & Ryan Lewis

Best Fan Army
Rihanna Navy -- WINNER
Little Monsters

iHeartRadio Young Influencer Award
Ariana Grande

iHeartRadio Instagram Award
Austin Mahone's Mahomies

ALT Rock Song Of The Year
"Royals" Lorde
"Pompeii" Bastille
"Demons" Imagine Dragons -- WINNER
"Do I Wanna Know" Arctic Monkeys
"Safe And Sound" Capital Cities

Song Of The Year
"Stay" Rihanna feat. Mikky Ekko -- WINNER
"Mirrors" Justin Timberlake"
"The Monster" Eminem feat. Rihanna
"Hold On We're Going Home" Drake feat. Majid Jordan
"Radioactive" Imagine Dragons

Country Song Of The Year
"Highway Don't Care" Tim McGraw feat. Taylor Swift
"Boys 'Round Here" Blake Shelton -- WINNER
"That's My Kind of Night" Luke Bryan
"Mine Would Be You" Blake Shelton
"It Goes Like This" Thomas Rhett

EDM Song Of The Year
"Wake Me Up" Avicii -- WINNER
"Get Lucky" Daft Punk feat. Pharrell
"Summertime Sadness" Lana Del Rey feat. Cedric Gervais
"Stay The Night" Zedd feat. Hayley Williams
"Sweet Nothing" Calvin Harris feat. Florence Welch

iHeartRadio Innovator Award
Pharrell Williams

Artist Of The Year
Rihanna -- WINNER
Justin Timberlake
Imagine Dragons
Maroon 5
Macklemore & Ryan Lewis

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