UPDATE: Fun.â??s â??We Are Youngâ?? song of the year

LOS ANGELES — Fun.'s night just got real fun: The pop-rock trio won the Grammy for song of the year for We Are Young.

It's the group's first Grammy win. They're up for four other awards.

We Are Young features Janelle Monae and hit the top spot of the Billboard charts last year. It has sold more than six million single tracks.

Lead singer Nate Ruess joked onstage: This is in HD, everyone can see our faces and we are not very young.

The group is nominated in all four top categories at Sunday's ceremony. They also performed their latest single, Carry On, at the show.

The Black Keys' Dan Auerbach and Skrillex lead in winners so far with three wins each.