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.

FireAid benefit concert, Lady Gaga left her mark by debuting a brand-new song written with her fiancé, Michael Polansky, for the victims of the Los Angeles wildfires. "Me and my friend Michael - my fiancé,

Less than three weeks after a series of historic wildfires killed 29 people and destroyed more than 16,000 structures in the Los Angeles area, more than two dozen of music’s biggest names gathered for the FireAid benefit concert — “an evening of music and solidarity,