Hello Michelle,
My name is James and I work for 123-reg.
I can see that you are having an issue with viewing your website online. I have checked the domain nickandmichelle.co.uk and it does not appear to be with 123-reg. The domain appears to be with 1&1.
If you do have any services with us that you need help with, please send your account information to customerexperience@123-reg.co.uk and I will be more than happy to look into any issues you may have.
If you issue is in relation to your domain name, I would advise you to contact you domain provider as they will be able to help you further
Kind Regards
James