5:05 PM PT -- TMZ has just obtained the judge's written ruling, and he squarely rejected Christine's arguments that Kevin was trying to unfairly kick her out of their house, saying her points are "without merit." Christine had argued she "will move in due course, but this is a major undertaking and can only be accomplished with careful planning ... " The judge didn't buy it.
Kevin Costner just won big in court today, and the implications for his bitter divorce from Christine Baumgartnerare even bigger ... because it looks like the judge is inclined to rule their prenup is valid.
The judge enforced a provision of the prenup which says, in the event a divorce petition is filed, Christine has a certain number of days to vacate the family home -- that date is July 31.
There's an even bigger consequence to the judge's ruling. A hearing on the validity of the prenup is set for November, and given the acrimony in this case, Christine and her lawyers are expected to wage legal war to have the prenup declared invalid.
The judge's ruling today is squarely predicated on language in the prenup, so it seems the judge is inclined -- perhaps more than inclined -- to enforce the prenup, which would be a huge win for Kevin.
BTW ... the implications are financially dire for Christine, because if the judge rules the prenup is valid, she has to return the $1.5 million Kevin gave her. She'll also have to pay Kevin's attorney's fees incurred for defending the prenup.