According to the content she shares on her subscriber channel, her lawyers were very surprised when she upped sticks and moved to US. Apparently, however, they’ve subsequently been very impressed at the speed at which she has got her life set up over there in terms of a permanent home, regular work etc and actually believe this will strengthen her case to get them to live there permanently.
The case will be heard in March and she is doing everything possible ahead of the court hearing to demonstrate they will be better off with her.