Ashton- Two Is Better Than One by Boys Like Girls feat. Taylor Swift . You were a little lost then you met each other and when you got together everything made sense
Michael- You and Me by Lifehouse , when you are together it's like no one else exist you are caught up in each other.
Calum- Lego House by Ed Sheeran , you guys got together in December and you went with him and the boys to London . It was cold and he was holding you close he also sang the song quietly in your ear.
Luke- Drop in the Ocean by Ron Pope , you were the one who suggested it to him and he agreed to it , you were also there when he did a cover and it is your favorite cover of his.