Miley Cyrus Writes a Song About Nick Jonas

Miley Cyrus performed at the Rock in Rio music festival in Portugal last weekend and introduced a new song, "Full Circle," hinting that it's about her ex Nick Jonas.

Miley told the audience that the song "is about two people who always come back to each other, "no matter what anyone says or the bad people that try to keep you apart. It's a personal story. Surprise surprise, it's about a Jonas brother."

Check out Miley's performance below!