VOTE: Which Boyband REALLY Had The Best Debut Single?

We all love 1D, 5SOS and Union J but which of these incredible bands gave us the BEST debut single?

One Direction What Makes You Beautiful

We have put together our personal favourite debut singles however it is up to YOU to make sure you're favourite boy band at No.1

Are you a Directioner? Part of the 5SOS family or a Vampette? Make sure you up vote your favourite or maybe even down vote your closest competitors (naughty).