After almost six hours of FireAid, Lady Gaga ended the historic Los Angeles event by debuting a new song co-written with her fiance Michael Polansky, an upbeat number that she said was “just for tonight.

Lady Gaga performed a new song which she wrote with fiance Michael Polansky at the FireAid benefit show for communities affected by the L.A. wildfires

Lady Gaga closed the FireAid concert in Los Angeles with a live performance of her hit "Shallow" and a brand new song written for the occasion.