Tim Tebow, Demi-Leigh Nel-Peters (Photo: Getty Images)
According to her post, SA singer Matthew Mole wrote the track and performed it at the wedding.
"Thank you for capturing Tim and I's lovestory in your music and giving us another way of holding on to so many beautiful memories (sic)," Demi wrote to Matthew.
Sharing a post on his own Instagram account, Matthew Mole detailed how Demi had come to him with the idea for the song, and even helped him write it.
"A year ago, @timtebow asked me to play a song when he proposed to @demileighnp. Shortly after, Demi wanted to write a new, surprise wedding song for Tim. I'm incredibly honoured to have written this song for/with you guys!" Matthew said.