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.

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.”

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,

Lady Gaga wowed the crowd at the FireAid benefit concert with a spellbinding new track. The new song, titled All I Need is Time, was co-written with her fiance Michael Polansky. After engaging fans with her famous hits Shallow and Always Remember Us This Way,

Lady Gaga and her fiancé Michael Polansky wrote All I Need is Time for the FireAid benefit concert in Los Angeles - and she was emotional while performing it on stage