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PT from the historic Forum in Los Angeles and will broadcast on iHeartMedia stations nationwide, as well as on the iHeartRadio digital music platform. Hosted by Ryan Seacrest, host of "On Air with Ryan Seacrest," his market-topping #1 nationally syndicated LA morning drive-time show for iHeartMedia's 102.7 KIIS-FM, as well as a nationally syndicated Top 40 radio show, the event will air live on TBS, TNT and truTV at 8 p.m. – FebruThe fan-fueled fourth annual iHeartRadio Music Awards on Sunday, March 5, will feature live performances and first-time duets and collaborations by today’s biggest artists, including Katy Perry, Ed Sheeran, The Chainsmokers, Shawn Mendes, Thomas Rhett, Noah Cyrus and Big Sean, who join already announced performer Bruno Mars. Ryan Seacrest to Host 2017 iHeartRadio Music Awards, Sunday March 5, Live on TBS, TNT and truTV Katy Perry, Ed Sheeran, The Chainsmokers, Shawn Mendes, Thomas Rhett, Noah Cyrus and Big Sean Join Already Announced Performer Bruno Mars At The 2017 iHeartRadio Music Awards
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