Justin Timberlake Makes a Sexy Appearance at the iHeartRadio Awards to Support Taylor Swift

Justin Timberlake took a break from being an adorable dad to son Silas on Sunday to attend the iHeartRadio Music Awards in Inglewood, CA. The "Mirrors" singer took the stage at The Forum to introduce his pal Taylor Swift and give her the award for best tour for 1989. In addition to joking around with the audience and telling them to "shut up," Justin looked incredibly handsome on stage and flashed a sweet smile while cracking jokes. Keep reading to see more of his night with Taylor, then check out his cutest moments with wife Jessica Biel.