It will take time for them to warm up to each other. They need to have dinner and hang so by the time they start taping everyone will mesh well together. And they all have those type of personalities. Britney is a bit more shy so it'll take time to get her to warm up. The others seem like they get along with 'strangers' easily.
I had to take a moment to just stop and sink all in and lie on my bed. Wow, I can definitely see her being as good as tulisa on the uk x factor. I have a feeling she'll suprise everyone.