Pregnant or fat?

Hello I have a lot of pictures of Lynz, Veild about 8-9 months old - Haven't lay eggs yet, but I'm super unsure if she is Pregnant or just chubby? I do have a nesting bucket in her cage. She been acting weird which is why I'm thinking she is preggers by stay at the bottom of cage pass the sandbox nest and her weird colors during basking.

IF she is preg. What can I do to make the nest better, i have added top soil on top with the rest of it on the bottom is sand, more picture after once of her.

Lynx:







Egg Nesting Bin:



 
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