Luke:
@Luke5sos- still can't BELIVE my amazing girlfriend is 17 today! I love you babe :) @y/t/n
Michael:
@michael5sos- where do I begin? Happy birthday Y/N you're my rock and I love you more than you'll ever know. @y/t/n
Calum:
@calum5sos- baby happy birthday and I have a surprise for you when you get home ;) @y/t/n
Ashton:
@Ashton5sos- @y/t/n that night I ran into you was the happiest night of my life. We're going to celebrate late tonight <3