Katy Perry, Ed Sheeran Among Performers Set for iHeartRadio Music Awards

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With our post-GRAMMYs hangover still fresh in our minds, it's already time to look ahead to the next major musical moment of 2017!

Katy Perry
and Ed Sheeran are among the latest artists to be added to the iHeartRadio Music Awards performance lineup, alongside The Chainsmokers, Shawn Mendes, Thomas Rhett, Noah Cyrus, Big Sean, and previously announced performer Bruno Mars. The Ryan Seacrest-hosted show airs live from the Forum in Los Angeles on TBS, TNT and truTV on Sunday, March 5 at 8 p.m. ET/5 p.m. PT. The show will also broadcast on iHeartMedia stations across the country, as well as on the iHeartRadio digital music platform.

WATCH: Katy Perry Gets Political at GRAMMYs While Performing New Single ‘Chained to the Rhythm’ 

"The biggest artists in music show up each year," Seacrest said in a statement. "iHeartRadio reaches hundreds of millions of people across the country every day, so this is an opportunity for the fans to have a voice in who’s the best and brightest, and the artists, in turn to show their appreciation. It’s always a lively celebration and an evening of special performances and appearances."

leads the pack with 12 nominations this year, followed by The Chainsmokers' 11. Other multi-nominees include Rihanna, twenty one pilots, Justin Bieber, Ariana Grande, Beyonce, Daya, Halsey, Nicky Jam and Sia.

RELATED: Drake and The Chainsmokers Lead 2017 iHeartRadio Music Awards Nominations: See the Complete List 

Last year's event was truly a star-studded affair, with artists like Taylor Swift, Selena Gomez, Demi Lovato and more hitting the red carpet in fierce fashion! Re-live the best looks in the gallery below.

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