Usher just completed one high-profile performance – his Prince tribute during last Sunday's Grammy Awards - and for his next marquee outing, the Atlanta R&B superstar will host and perform during the 2020 iHeartRadio Music Awards, which will air live from Los Angeles on March 29 at 8 p.m. on Fox.

The performance slate also includes Halsey, Lizzo, Justin Bieber and others to be announced. Nominees comprise familiar award-circuit names such as Ariana Grande, Billie Eilish, Camila Cabello, Dan + Shay and Atlanta's Lil Nas X.

Fan voting will determine numerous categories including best cover song, best remix and the inaugural favorite music video choreography award.

Social voting closes at 8 p.m. March 23. Fans can vote on Twitter using the appropriate category and nominee hashtags or by visiting iHeartRadio.com/awards.

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