The 2019 iHeartRadio Music Awards are here!

The show, which will be hosted by T-Pain, airs tonight (March 14) at 8 p.m ET on Fox from the Microsoft Theater in Los Angeles. Some of music's biggest stars are here—including Taylor Swift, Alicia Keys, and Halsey—who all walked the red carpet along with a slew of other famous celebrities we know and love.

All three of these artists are also being honored with awards to celebrate their success. Swift will receive the iHeartRadio Tour of the Year award for her Reputation Stadium Tour, Keys will be presented with the iHeartRadio Innovator award, and Halsey will take home the 2019 Fangirls award, which "recognizes a female artist who has pushed boundaries with her music and message while inspiring her fans."

There will also be big performances by Ariana Grande, Halsey, Kacey Musgraves, the Backstreet Boys, and more. Plus, expect to see Katy Perry, YOU star Shay Mitchell, and Maren Morris onstage to hand out awards. Nominees this year include Cardi B, Shawn Mendes, Maroon 5, Post Malone, and Ariana Grande.

Check out the iHeartRadio Music Awards red carpet gallery, below:

2019 iHeartRadio Music Awards Red Carpet Gallery

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