Lizzo, Taylor Swift and Harry Styles lead the 2023 iHeartRadio Music Awards nominations with seven nods each, with Jack Harlow and Drake close behind with six each.   The iHeartRadio Music Awards honor the most played artists of the year on their stations and app, and fans can vote in several categories including best fan army, best lyrics, best cover song, best sample and best music video.   Voting on Twitter begins Wednesday using the appropriate category and nominee hashtags and will close March 20.   For top song of the year, Lizzo’s “About Damn Time” faces off against Swift’s “Anti-Hero,” Styles’ “As It Was,” Justin Bieber’s “Ghost,” Doja Cat’s “Woman,” “Glass Animals’ “Heat Wave,” Latto’s “Big Energy,” Lil Nas X & Jack Harlow’s “Industry Baby,” Harlow’s “First Class,” and Imagine Dragons’ “Enemy.”   The iHeartRadio Music Awards will be aired March 27 on Fox from the Dolby Theater in Los Angeles and aired on iHeartRadio stations and the app.