Its called "Love Will Remember," written by Selena about her breakup with Bieber.
The track starts with a recording of a voicemail from a young man that is likely Justin Bieber. "Hey babe, it's me," the voicemail begins. "I just want to call and tell you that I love you so, so, so, so much. I just wanted to let you know that you are my princess. You are worthy of all the love in the world. You are the love of my life."
PHOTO CREDIT: CCM&E GALLERY VIA INSTAGRAM