Just got braces off today and now they are moving again and causing spacing in between my teeth. (photo)

I got my braces off today and when they were taken off there was no spaces in between my bottom teeth. After a few hours now I have some quite big gaps in between my bottom teeth, is this normal? Will they go back to being straight? Shall I ring my Authodentist ? There is also spacing between my top two teeth which I have noticed

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