Aguilera, 35, co-wrote the song along with Fancy and Flo Reutter. All of their earnings on the US iTunes downloads for the next three months will be donated to the National Compassion Fund to directly benefit the Orlando shooting victims and their families.
"The horrific tragedy that occurred in Orlando continues to weigh heavily on my mind. I am sending so much love and so many prayers to the victims and their families.
Last Sunday, a gunman took 49 and injured more than 50 other people at gay nightclub Pulse in Orlando.