Lorde is Joined by Younger Brother Angelo at Grammys 2018!

Lorde is all smiles as she sits with younger brother Angelo at the 2018 Grammy Awards held at Madison Square Garden on Sunday (January 28) in New York City.

The 21-year-old musician looked stunning in a red gown as she was also joined at the awards show by her music partner Jack Antonoff and his sister Rachel.

PHOTOS: Check out the latest pics of Lorde

There are tons of theories going on as to why Lorde isn’t performing tonight, even though she’s nominated tonight for Album of the Year.

FYI: Lorde is wearing a red Valentino dress and Chloe Gosselin shoes.

10+ pictures inside of the stars at the awards show…