Justin Bieber Goes Casual in Nirvana Tee at AMAs 2015

Justin Bieber shows off his tattooed arms in a cut-off Nirvana tee while walking the red carpet at the 2015 American Music Awards held at the Microsoft Theater on Sunday (November 22) in Los Angeles.

The 21-year-old singer is set to perform tonight and it’s said that he’ll do a medley of his hit songs “What Do You Mean?” and “Sorry.”

Justin also has one nomination during the show tonight – Collaboration of the Year for his song “Where Are U Now” with Jack U‘s Diplo and Skrillex.

Over the weekend, Justin made headlines when he serenaded his ex-girlfriend Selena Gomez with his rendition of “My Girl” in a hotel bar, sparking on-again romance rumors!

FYI: Justin is wearing a Fear of God shirt, Amiri jeans, and Vans shoes.

10+ pictures inside of Justin Bieber at the red carpet…