A good debut for 5 After Midnight?

As you may know, 5 After Midnight found fame on last year's series of The X Factor. From their first audition I completely fell in love with them, and instantly knew that they would go far in the music industry. Although they didn't win the competition, I knew that we would be hearing more from the band soon enough, and last week they released their debut single, Up In Here.
At first I was quite nervous to listen to the single because of the insanely high expectations I had for them. However, after hearing it for the first time I was relieved! I love the fact that 5AM have released an upbeat song that sounds true to them, rather than selling themselves out to quickly release a single. Towards the end of the song there is a part for a dance break (which was almost their trademark on The X Factor), and I am so glad that they put this in as I feel that this was one of their unique selling points. Lots of artists are still finding themselves when they first start releasing music, yet 5AM already feel like an established group.
Since listening to Up In Here for the first time I have had it stuck in my head 24/7, which shows what a truly brilliant song it is.
Overall I think this has been a fantastic debut for 5 After Midnight and I can't wait to see what the future holds for them!